Numerics -
A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
K -
L -
M -
N -
O -
P -
Q -
R -
S -
T -
U -
V -
W -
X -
Index
Numerics
10-Gigabit Ethernet interfaces
configuration guidelines 11-17
defined 11-6
3750G integrated wireless LAN controller switch
configuring the switch A-4
controller and switch interaction A-3
internal ports
configuring A-4
reconfiguring A-5
A
AAA down policy, NAC Layer 2 IP validation 1-9
abbreviating commands 2-4
ABRs 36-25
AC (command switch) 6-10
access-class command 33-20
access control entries
See ACEs
access-denied response, VMPS 13-28
access groups
applying IPv4 ACLs to interfaces 33-21
Layer 2 33-21
Layer 3 33-21
accessing
clusters, switch 6-13
command switches 6-11
member switches 6-13
switch clusters 6-13
accessing stack members 5-24
access lists
See ACLs
access ports
and Layer 2 protocol tunneling 17-11
defined 11-3
in switch clusters 6-9
access template 8-1
accounting
with 802.1x 10-33
with IEEE 802.1x 10-9
with RADIUS 9-28
with TACACS+ 9-11, 9-17
ACEs
and QoS 34-7
defined 33-2
Ethernet 33-2
IP 33-2
ACLs
ACEs 33-2
any keyword 33-13
applying
on bridged packets 33-38
on multicast packets 33-40
on routed packets 33-39
on switched packets 33-38
time ranges to 33-17
to an interface 33-20, 39-7
to IPv6 interfaces 39-7
to QoS 34-7
classifying traffic for QoS 34-44
comments in 33-19
compiling 33-22
defined 33-1, 33-8
examples of 33-22, 34-44
extended IP, configuring for QoS classification 34-45
extended IPv4
creating 33-11
matching criteria 33-8
hardware and software handling 33-22
host keyword 33-13
IP
creating 33-8
fragments and QoS guidelines 34-33
implicit deny 33-10, 33-14, 33-16
implicit masks 33-10
matching criteria 33-8
undefined 33-21
IPv4
applying to interfaces 33-20
creating 33-8
matching criteria 33-8
named 33-15
numbers 33-8
terminal lines, setting on 33-19
unsupported features 33-7
IPv6
and stacking 39-3
applying to interfaces 39-7
configuring 39-4, 39-5
displaying 39-8
interactions with other features 39-4
limitations 39-3
matching criteria 39-3
named 39-3
precedence of 39-2
supported 39-2
unsupported features 39-3
Layer 4 information in 33-37
logging messages 33-9
MAC extended 33-27, 34-46
matching 33-8, 33-21, 39-3
monitoring 33-40, 39-8
named, IPv4 33-15
named, IPv6 39-3
names 39-4
number per QoS class map 34-33
port 33-2, 39-1
precedence of 33-2
QoS 34-7, 34-44
resequencing entries 33-15
router 33-2, 39-1
router ACLs and VLAN map configuration guidelines 33-37
standard IP, configuring for QoS classification 34-44
standard IPv4
creating 33-10
matching criteria 33-8
support for 1-8
support in hardware 33-22
time ranges 33-17
types supported 33-2
unsupported features, IPv4 33-7
unsupported features, IPv6 39-3
using router ACLs with VLAN maps 33-36
VLAN maps
configuration guidelines 33-30
configuring 33-29
active links 21-2
active router 40-1
address aliasing 24-2
addresses
displaying the MAC address table 7-27
dynamic
accelerated aging 18-9
changing the aging time 7-21
default aging 18-9
defined 7-19
learning 7-20
removing 7-22
MAC, discovering 7-27
multicast
group address range 42-3
STP address management 18-9
static
adding and removing 7-24
defined 7-19
address resolution 7-27, 36-9
Address Resolution Protocol
See ARP
adjacency tables, with CEF 36-75
administrative distances
defined 36-87
OSPF 36-32
routing protocol defaults 36-77
advanced IP services image 37-1
advertisements
CDP 26-1
LLDP 27-2
RIP 36-20
VTP 13-19, 14-3
aggregatable global unicast addresses 37-3
aggregate addresses, BGP 36-59
aggregated ports
See EtherChannel
aggregate policers 34-59
aggregate policing 1-10
aggregator template 5-10, 8-1
aging, accelerating 18-9
aging time
accelerated
for MSTP 19-23
for STP 18-9, 18-23
MAC address table 7-21
maximum
for MSTP 19-24
for STP 18-23, 18-24
alarms, RMON 30-3
allowed-VLAN list 13-21
application engines, redirecting traffic to 41-1
area border routers
See ABRs
ARP
configuring 36-10
defined 1-5, 7-27, 36-9
encapsulation 36-11
static cache configuration 36-10
table
address resolution 7-27
managing 7-27
ASBRs 36-25
AS-path filters, BGP 36-54
asymmetrical links, and IEEE 802.1Q tunneling 17-4
attributes, RADIUS
vendor-proprietary 9-31
vendor-specific 9-29
audience xliii
authentication
EIGRP 36-40
HSRP 40-9
local mode with AAA 9-36
NTP associations 7-4
RADIUS
key 9-21
login 9-23
TACACS+
defined 9-11
key 9-13
login 9-14
See also port-based authentication
authentication failed VLAN
See restricted VLAN
authentication keys, and routing protocols 36-88
authoritative time source, described 7-2
authorization
with RADIUS 9-27
with TACACS+ 9-11, 9-16
authorized ports with IEEE 802.1x 10-7
autoconfiguration 3-3
automatic advise (auto-advise) in switch stacks 5-12
automatic copy (auto-copy) in switch stacks 5-11
automatic discovery
considerations
beyond a noncandidate device 6-8
brand new switches 6-9
connectivity 6-5
different VLANs 6-7
management VLANs 6-7
non-CDP-capable devices 6-6
noncluster-capable devices 6-6
routed ports 6-8
in switch clusters 6-5
See also CDP
automatic extraction (auto-extract) in switch stacks 5-11
automatic QoS
See QoS
automatic recovery, clusters 6-10
See also HSRP
automatic upgrades (auto-upgrade) in switch stacks 5-11
auto-MDIX
configuring 11-21
described 11-20
autonegotiation
duplex mode 1-4
interface configuration guidelines 11-18
mismatches 45-12
autonomous system boundary routers
See ASBRs
autonomous systems, in BGP 36-47
Auto-RP, described 42-6
autosensing, port speed 1-4
auxiliary VLAN
See voice VLAN
availability, features 1-6
B
BackboneFast
described 20-7
disabling 20-17
enabling 20-16
support for 1-7
backup interfaces
See Flex Links
backup links 21-2
banners
configuring
login 7-19
message-of-the-day login 7-18
default configuration 7-17
when displayed 7-17
BGP
aggregate addresses 36-59
aggregate routes, configuring 36-59
CIDR 36-59
clear commands 36-63
community filtering 36-56
configuring neighbors 36-58
default configuration 36-45
described 36-44
enabling 36-47
monitoring 36-63
multipath support 36-51
neighbors, types of 36-47
path selection 36-51
peers, configuring 36-58
prefix filtering 36-55
resetting sessions 36-50
route dampening 36-62
route maps 36-53
route reflectors 36-61
routing domain confederation 36-60
routing session with multi-VRF CE 36-69
show commands 36-63
supernets 36-59
support for 1-11
Version 4 36-44
binding cluster group and HSRP group 40-11
binding database
address, DHCP server
See DHCP, Cisco IOS server database
DHCP snooping
See DHCP snooping binding database
bindings
address, Cisco IOS DHCP server 22-6
DHCP snooping database 22-7
IP source guard 22-16
binding table, DHCP snooping
See DHCP snooping binding database
blocking packets 25-7
Boolean expressions in tracked lists 40-14
booting
boot loader, function of 3-2
boot process 3-2
manually 3-13
specific image 3-14
boot loader
accessing 3-14
described 3-2
environment variables 3-15
prompt 3-14
trap-door mechanism 3-2
bootstrap router (BSR), described 42-6
Border Gateway Protocol
See BGP
BPDU
error-disabled state 20-2
filtering 20-3
RSTP format 19-12
BPDU filtering
described 20-3
disabling 20-15
enabling 20-14
support for 1-7
BPDU guard
described 20-2
disabling 20-14
enabling 20-13
support for 1-7
bridged packets, ACLs on 33-38
bridge groups
See fallback bridging
bridge protocol data unit
See BPDU
broadcast flooding 36-17
broadcast packets
directed 36-14
flooded 36-14
broadcast storm-control command 25-4
broadcast storms 25-1, 36-14
C
cables, monitoring for unidirectional links 28-1
candidate switch
automatic discovery 6-5
defined 6-4
requirements 6-4
See also command switch, cluster standby group, and member switch
Catalyst 3750G wireless LAN controller switch
accessing the controller A-6
displaying controller information A-7
features A-2
interaction with the controller A-3
internal port configuration A-4
internal port EtherChannel A-4
internal ports A-3
internal VLAN A-3
reconfiguring the internal ports A-5
switch stacks A-2
CA trustpoint
configuring 9-45
defined 9-43
caution, described xliv
CDP
and trusted boundary 34-39
automatic discovery in switch clusters 6-5
configuring 26-2
default configuration 26-2
defined with LLDP 27-1
described 26-1
disabling for routing device26-3to 26-4
enabling and disabling
on an interface 26-4
on a switch 26-3
Layer 2 protocol tunneling 17-8
monitoring 26-5
overview 26-1
power negotiation extensions 11-7
support for 1-5
switch stack considerations 26-2
transmission timer and holdtime, setting 26-2
updates 26-2
CEF
defined 36-75
distributed 36-75
enabling 36-75
IPv6 37-16
CGMP
as IGMP snooping learning method 24-9
clearing cached group entries 42-51
enabling server support 42-34
joining multicast group 24-3
overview 42-9
server support only 42-9
switch support of 1-4
CIDR 36-59
CipherSuites 9-44
Cisco 7960 IP Phone 15-1
Cisco Discovery Protocol
See CDP
Cisco Express Forwarding
See CEF
Cisco Group Management Protocol
See CGMP
Cisco intelligent power management 11-7
Cisco IOS DHCP server
See DHCP, Cisco IOS DHCP server
Cisco IOS File System
See IFS
Cisco Network Assistant
See Network Assistant
Cisco StackWise technology 1-3
See also stacks, switch
CiscoWorks 2000 1-5, 32-4
CIST regional root
See MSTP
CIST root
See MSTP
classless interdomain routing
See CIDR
classless routing 36-8
class maps for QoS
configuring 34-47
described 34-7
displaying 34-79
class of service
See CoS
clearing interfaces 11-30
CLI
abbreviating commands 2-4
command modes 2-1
configuration logging 2-5
described 1-5
editing features
enabling and disabling 2-7
keystroke editing 2-7
wrapped lines 2-9
error messages 2-5
filtering command output 2-10
getting help 2-3
history
changing the buffer size 2-6
described 2-6
disabling 2-7
recalling commands 2-6
managing clusters 6-16
no and default forms of commands 2-4
client mode, VTP 14-3
client processes, tracking 40-12
clock
See system clock
cluster requirements xlv
clusters, switch
accessing 6-13
automatic discovery 6-5
automatic recovery 6-10
benefits 1-2
compatibility 6-4
described 6-1
LRE profile considerations 6-16
managing
through CLI 6-16
through SNMP 6-17
planning 6-4
planning considerations
automatic discovery 6-5
automatic recovery 6-10
CLI 6-16
host names 6-13
IP addresses 6-13
LRE profiles 6-16
passwords 6-14
RADIUS 6-16
SNMP 6-14, 6-17
switch stacks 6-14
TACACS+ 6-16
See also candidate switch, command switch, cluster standby group, member switch, and standby command switch
cluster standby group
and HSRP group 40-11
automatic recovery 6-12
considerations 6-11
defined 6-2
requirements 6-3
virtual IP address 6-11
See also HSRP
CNS 1-5
Configuration Engine
configID, deviceID, hostname 4-3
configuration service 4-2
described 4-1
event service 4-3
embedded agents
described 4-5
enabling automated configuration 4-6
enabling configuration agent 4-9
enabling event agent 4-8
management functions 1-5
Coarse Wave Division Multiplexer
See CWDM SFPs
command-line interface
See CLI
command modes 2-1
commands
abbreviating 2-4
no and default 2-4
commands, setting privilege levels 9-8
command switch
accessing 6-11
active (AC) 6-10
configuration conflicts 45-12
defined 6-2
passive (PC) 6-10
password privilege levels 6-17
priority 6-10
recovery
from command-switch failure 6-10, 45-8
from lost member connectivity 45-12
redundant 6-10
replacing
with another switch 45-11
with cluster member 45-9
requirements 6-3
standby (SC) 6-10
See also candidate switch, cluster standby group, member switch, and standby command switch
community list, BGP 36-57
community ports 16-2
community strings
configuring 6-14, 32-8
for cluster switches 32-4
in clusters 6-14
overview 32-4
SNMP 6-14
community VLANs 16-2, 16-3
compatibility, feature 25-11
compatibility, software
See stacks, switch
config.text 3-12
configurable leave timer, IGMP 24-6
configuration, initial
defaults 1-13
Express Setup 1-2
See also getting started guide and hardware installation guide
configuration changes, logging 31-11
configuration conflicts, recovering from lost member connectivity 45-12
configuration examples, network 1-16
configuration files
clearing the startup configuration C-19
creating using a text editor C-10
default name 3-12
deleting a stored configuration C-19
described C-8
downloading
automatically 3-12
preparing C-10, C-13, C-16
reasons for C-8
using FTP C-13
using RCP C-17
using TFTP C-11
guidelines for creating and using C-9
invalid combinations when copying C-5
limiting TFTP server access 32-16
obtaining with DHCP 3-7
password recovery disable considerations 9-5
specifying the filename 3-12
system contact and location information 32-16
types and location C-10
uploading
preparing C-10, C-13, C-16
reasons for C-9
using FTP C-14
using RCP C-18
using TFTP C-12
configuration guidelines, multi-VRF CE 36-67
configuration logger 31-11
configuration logging 2-5
configuration settings, saving 3-10
configure terminal command 11-11
config-vlan mode 2-2, 13-7
conflicts, configuration 45-12
connections, secure remote 9-38
connectivity problems 45-14, 45-16, 45-17
consistency checks in VTP Version 2 14-4
console port, connecting to 2-11
content-routing technology
See WCCP
conventions
command xliv
for examples xliv
publication xliv
text xliv
corrupted software, recovery steps with Xmodem 45-2
CoS
in Layer 2 frames 34-2
override priority 15-6
trust priority 15-6
CoS input queue threshold map for QoS 34-16
CoS output queue threshold map for QoS 34-19
CoS-to-DSCP map for QoS 34-61
counters, clearing interface 11-30
crashinfo file 45-24
critical authentication, IEEE 802.1x 10-37
cross-stack EtherChannel
configuration guidelines 35-13
configuring
on Layer 2 interfaces 35-13
on Layer 3 physical interfaces 35-16
described 35-3
illustration 35-4
support for 1-6
cross-stack UplinkFast, STP
described 20-5
disabling 20-16
enabling 20-16
fast-convergence events 20-7
Fast Uplink Transition Protocol 20-6
normal-convergence events 20-7
support for 1-7
cryptographic software image
Kerberos 9-32
SSH 9-37
SSL 9-42
switch stack considerations 5-2, 5-16, 9-38
customer edge devices 36-65
CWDM SFPs 1-26
D
daylight saving time 7-13
dCEF, in the switch stack 36-75
debugging
enabling all system diagnostics 45-21
enabling for a specific feature 45-20
redirecting error message output 45-21
using commands 45-20
default commands 2-4
default configuration
802.1x 10-22
auto-QoS 34-20
banners 7-17
BGP 36-45
booting 3-12
CDP 26-2
DHCP 22-8
DHCP option 82 22-9
DHCP snooping 22-9
DHCP snooping binding database 22-9
DNS 7-16
dynamic ARP inspection 23-5
EIGRP 36-36
EtherChannel 35-11
Ethernet interfaces 11-15
fallback bridging 44-4
Flex Links 21-4, 21-5
HSRP 40-5
IEEE 802.1Q tunneling 17-4
IGMP 42-28
IGMP filtering 24-25
IGMP snooping 24-7, 38-5, 38-6
IGMP throttling 24-25
initial switch information 3-3
IP addressing, IP routing 36-6
IP multicast routing 42-10
IP source guard 22-17
IPv6 37-11
Layer 2 interfaces 11-15
Layer 2 protocol tunneling 17-11
LLDP 27-3
MAC address table 7-21
MAC address-table move update 21-5
MSDP 43-4
MSTP 19-15
multi-VRF CE 36-66
MVR 24-20
NTP 7-4
optional spanning-tree configuration 20-12
OSPF 36-26
password and privilege level 9-2
PIM 42-10
private VLANs 16-7
RADIUS 9-20
RIP 36-20
RMON 30-3
RSPAN 29-11
SDM template 8-5
SNMP 32-7
SPAN 29-11
SSL 9-44
standard QoS 34-31
STP 18-13
switch stacks 5-19
system message logging 31-4
system name and prompt 7-15
TACACS+ 9-13
UDLD 28-4
VLAN, Layer 2 Ethernet interfaces 13-19
VLANs 13-8
VMPS 13-29
voice VLAN 15-3
VTP 14-7
WCCP 41-5
default gateway 3-10, 36-12
default networks 36-78
default routes 36-78
default routing 36-3
deleting VLANs 13-10
denial-of-service attack 25-1
description command 11-24
designing your network, examples 1-16
desktop template 5-10, 8-1
destination addresses
in IPv4 ACLs 33-12
in IPv6 ACLs 39-5
destination-IP address-based forwarding, EtherChannel 35-9
destination-MAC address forwarding, EtherChannel 35-8
detecting indirect link failures, STP 20-8
device C-19
device discovery protocol 26-1, 27-1
device manager
benefits 1-2
described 1-2, 1-5
in-band management 1-6
requirements xliv
upgrading a switch C-19
DHCP
Cisco IOS server database
configuring 22-14
default configuration 22-9
described 22-6
enabling
relay agent 22-11
server 22-10
DHCP-based autoconfiguration
client request message exchange 3-4
configuring
client side 3-4
DNS 3-6
relay device 3-7
server side 3-5
server-side 22-10
TFTP server 3-6
example 3-8
lease options
for IP address information 3-5
for receiving the configuration file 3-5
overview 3-3
relationship to BOOTP 3-4
relay support 1-5, 1-11
support for 1-5
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption 22-5
configuration guidelines 22-9
default configuration 22-8
displaying 22-16
forwarding address, specifying 22-11
helper address 22-11
overview 22-3
packet format, suboption
circuit ID 22-5
remote ID 22-5
remote ID suboption 22-5
DHCP snooping
accepting untrusted packets form edge switch 22-3, 22-13
and private VLANs 22-14
binding database
See DHCP snooping binding database
configuration guidelines 22-9
default configuration 22-8
displaying binding tables 22-16
message exchange process 22-4
option 82 data insertion 22-3
trusted interface 22-2
untrusted interface 22-2
untrusted messages 22-2
DHCP snooping binding database
adding bindings 22-15
binding file
format 22-7
location 22-7
bindings 22-7
clearing agent statistics 22-15
configuration guidelines 22-10
configuring 22-15
default configuration 22-8, 22-9
deleting
binding file 22-15
bindings 22-15
database agent 22-15
described 22-7
displaying 22-16
binding entries 22-16
status and statistics 22-16
enabling 22-15
entry 22-7
renewing database 22-15
resetting
delay value 22-15
timeout value 22-15
DHCP snooping binding table
See DHCP snooping binding database
Differentiated Services architecture, QoS 34-2
Differentiated Services Code Point 34-2
Diffusing Update Algorithm (DUAL) 36-35
directed unicast requests 1-5
directories
changing C-4
creating and removing C-4
displaying the working C-4
discovery, clusters
See automatic discovery
Distance Vector Multicast Routing Protocol
See DVMRP
distance-vector protocols 36-3
distribute-list command 36-87
DNS
and DHCP-based autoconfiguration 3-6
default configuration 7-16
displaying the configuration 7-17
in IPv6 37-4
overview 7-15
setting up 7-16
support for 1-5
documentation, related xliv
document conventions xliv
domain names
DNS 7-15
VTP 14-8
Domain Name System
See DNS
dot1q-tunnel switchport mode 13-18
double-tagged packets
IEEE 802.1Q tunneling 17-2
Layer 2 protocol tunneling 17-10
downloading
configuration files
preparing C-10, C-13, C-16
reasons for C-8
using FTP C-13
using RCP C-17
using TFTP C-11
image files
deleting old image C-24
preparing C-22, C-25, C-30
reasons for C-19
using CMS 1-3
using FTP C-26
using HTTP 1-3, C-19
using RCP C-31
using TFTP C-23
using the device manager or Network Assistant C-19
drop threshold for Layer 2 protocol packets 17-11
DSCP 1-10, 34-2
DSCP input queue threshold map for QoS 34-16
DSCP output queue threshold map for QoS 34-19
DSCP-to-CoS map for QoS 34-64
DSCP-to-DSCP-mutation map for QoS 34-65
DSCP transparency 34-40
DTP 1-7, 13-17
DUAL finite state machine, EIGRP 36-35
dual IPv4 and IPv6 templates 8-2, 37-1, 37-9
dual protocol stacks
configuring 37-14
IPv4 and IPv6 37-9
SDM templates supporting 37-9
DVMRP
autosummarization
configuring a summary address 42-48
disabling 42-50
connecting PIM domain to DVMRP router 42-41
enabling unicast routing 42-44
interoperability
with Cisco devices 42-39
with Cisco IOS software 42-8
mrinfo requests, responding to 42-43
neighbors
advertising the default route to 42-42
discovery with Probe messages 42-39
displaying information 42-43
prevent peering with nonpruning 42-46
rejecting nonpruning 42-45
overview 42-8
routes
adding a metric offset 42-50
advertising all 42-50
advertising the default route to neighbors 42-42
caching DVMRP routes learned in report messages 42-44
changing the threshold for syslog messages 42-47
deleting 42-51
displaying 42-52
favoring one over another 42-50
limiting the number injected into MBONE 42-47
limiting unicast route advertisements 42-39
routing table 42-9
source distribution tree, building 42-9
support for 1-11
tunnels
configuring 42-41
displaying neighbor information 42-43
dynamic access ports
characteristics 13-3
configuring 13-30
defined 11-3
dynamic addresses
See addresses
dynamic ARP inspection
ARP cache poisoning 23-1
ARP requests, described 23-1
ARP spoofing attack 23-1
clearing
log buffer 23-15
statistics 23-15
configuration guidelines 23-6
configuring
ACLs for non-DHCP environments 23-8
in DHCP environments 23-7
log buffer 23-12
rate limit for incoming ARP packets 23-4, 23-10
default configuration 23-5
denial-of-service attacks, preventing 23-10
described 23-1
DHCP snooping binding database 23-2
displaying
ARP ACLs 23-14
configuration and operating state 23-14
log buffer 23-15
statistics 23-15
trust state and rate limit 23-14
error-disabled state for exceeding rate limit 23-4
function of 23-2
interface trust states 23-3
log buffer
clearing 23-15
configuring 23-12
displaying 23-15
logging of dropped packets, described 23-5
man-in-the middle attack, described 23-2
network security issues and interface trust states 23-3
priority of ARP ACLs and DHCP snooping entries 23-4
rate limiting of ARP packets
configuring 23-10
described 23-4
error-disabled state 23-4
statistics
clearing 23-15
displaying 23-15
validation checks, performing 23-11
dynamic auto trunking mode 13-18
dynamic desirable trunking mode 13-18
Dynamic Host Configuration Protocol
See DHCP-based autoconfiguration
dynamic port VLAN membership
described 13-28
reconfirming 13-31
troubleshooting 13-33
types of connections 13-30
dynamic routing 36-3
Dynamic Trunking Protocol
See DTP
E
EBGP 36-43
editing features
enabling and disabling 2-7
keystrokes used 2-7
wrapped lines 2-9
EIGRP
authentication 36-40
components 36-35
configuring 36-39
default configuration 36-36
definition 36-35
interface parameters, configuring 36-40
monitoring 36-42
stub routing 36-41
support for 1-11
elections
See stack master
enable password 9-3
enable secret password 9-3
encryption, CipherSuite 9-44
encryption for passwords 9-3
Enhanced IGRP
See EIGRP
enhanced object tracking
commands 40-12
defined 40-12
HSRP 40-17
IP routing state 40-13
line-protocol state 40-13
tracked lists 40-14
environment variables, function of 3-15
equal-cost routing 1-11, 36-76
error-disabled state, BPDU 20-2
error messages during command entry 2-5
EtherChannel
automatic creation of 35-5, 35-7
channel groups
binding physical and logical interfaces 35-4
numbering of 35-4
configuration guidelines 35-12
configuring
Layer 2 interfaces 35-13
Layer 3 physical interfaces 35-16
Layer 3 port-channel logical interfaces 35-15
default configuration 35-11
described 35-2
displaying status 35-23
forwarding methods 35-8, 35-18
IEEE 802.3ad, described 35-7
interaction
with STP 35-12
with VLANs 35-12
LACP
described 35-7
displaying status 35-23
hot-standby ports 35-20
interaction with other features 35-7
modes 35-7
port priority 35-22
system priority 35-21
Layer 3 interface 36-5
load balancing 35-8, 35-18
logical interfaces, described 35-4
PAgP
aggregate-port learners 35-19
compatibility with Catalyst 1900 35-19
described 35-5
displaying status 35-23
interaction with other features 35-6
learn method and priority configuration 35-19
modes 35-6
support for 1-4
port-channel interfaces
described 35-4
numbering of 35-4
port groups 11-6
stack changes, effects of 35-10
support for 1-4
EtherChannel guard
described 20-10
disabling 20-17
enabling 20-17
Ethernet VLANs
adding 13-9
defaults and ranges 13-8
modifying 13-9
EUI 37-3
events, RMON 30-3
examples
conventions for xliv
network configuration 1-16
expedite queue for QoS 34-78
Express Setup 1-2
See also getting started guide
extended crashinfo file 45-24
extended-range VLANs
configuration guidelines 13-13
configuring 13-12
creating 13-14
creating with an internal VLAN ID 13-15
defined 13-1
extended system ID
MSTP 19-17
STP 18-4, 18-16
extended universal identifier
See EUI
Extensible Authentication Protocol over LAN 10-1
external BGP
See EBGP
external neighbors, BGP 36-47
F
fa0 interface 1-6
failover support 1-6
fallback bridging
and protected ports 44-4
bridge groups
creating 44-4
described 44-2
displaying 44-11
function of 44-2
number supported 44-5
removing 44-5
bridge table
clearing 44-11
displaying 44-11
configuration guidelines 44-4
connecting interfaces with 11-10
default configuration 44-4
described 44-1
frame forwarding
flooding packets 44-2
forwarding packets 44-2
overview 44-1
protocol, unsupported 44-4
stack changes, effects of 44-3
STP
disabling on an interface 44-10
forward-delay interval 44-9
hello BPDU interval 44-9
interface priority 44-7
keepalive messages 18-2
maximum-idle interval 44-10
path cost 44-8
VLAN-bridge spanning-tree priority 44-6
VLAN-bridge STP 44-2
support for 1-11
SVIs and routed ports 44-2
unsupported protocols 44-4
VLAN-bridge STP 18-11
Fast Uplink Transition Protocol 20-6
features, incompatible 25-11
FIB 36-75
fiber-optic, detecting unidirectional links 28-1
files
basic crashinfo
description 45-24
location 45-24
copying C-5
crashinfo, description 45-24
deleting C-5
displaying the contents of C-8
extended crashinfo
description 45-25
location 45-25
tar
creating C-6
displaying the contents of C-7
extracting C-7
image file format C-20
file system
displaying available file systems C-2
displaying file information C-3
local file system names C-1
network file system names C-5
setting the default C-3
filtering
in a VLAN 33-29
IPv6 traffic 39-4, 39-7
non-IP traffic 33-27
show and more command output 2-10
filtering show and more command output 2-10
filters, IP
See ACLs, IP
flash device, number of C-1
Flex Links
configuration guidelines 21-5
configuring 21-5, 21-6
configuring preferred VLAN 21-8
configuring VLAN load balancing 21-7
default configuration 21-4
description 21-1
link load balancing 21-2
monitoring 21-10
VLANs 21-2
flooded traffic, blocking 25-7
flow-based packet classification 1-10
flowcharts
QoS classification 34-6
QoS egress queueing and scheduling 34-17
QoS ingress queueing and scheduling 34-15
QoS policing and marking 34-10
flowcontrol
configuring 11-20
described 11-19
forward-delay time
MSTP 19-23
STP 18-23
Forwarding Information Base
See FIB
forwarding nonroutable protocols 44-1
FTP
accessing MIB files B-3
configuration files
downloading C-13
overview C-12
preparing the server C-13
uploading C-14
image files
deleting old image C-28
downloading C-26
preparing the server C-25
uploading C-28
G
get-bulk-request operation 32-3
get-next-request operation 32-3, 32-5
get-request operation 32-3, 32-5
get-response operation 32-3
Gigabit modules
See SFPs
global configuration mode 2-2
global leave, IGMP 24-13
guest VLAN and 802.1x 10-12
guide
audience xliii
purpose of xliii
guide mode 1-3
GUIs
See device manager and Network Assistant
H
hardware limitations and Layer 3 interfaces 11-25
hello time
MSTP 19-22
STP 18-22
help, for the command line 2-3
hierarchical policy maps 34-8
configuration guidelines 34-33
configuring 34-53
described 34-11
history
changing the buffer size 2-6
described 2-6
disabling 2-7
recalling commands 2-6
history table, level and number of syslog messages 31-10
host names, in clusters 6-13
host ports
configuring 16-12
kinds of 16-2
hosts, limit on dynamic ports 13-33
Hot Standby Router Protocol
See HSRP
HP OpenView 1-5
HSRP
authentication string 40-9
automatic cluster recovery 6-12
binding to cluster group 40-11
cluster standby group considerations 6-11
command-switch redundancy 1-1, 1-6
configuring 40-4
default configuration 40-5
definition 40-1
guidelines 40-5
monitoring 40-11
object tracking 40-17
overview 40-1
priority 40-7
routing redundancy 1-11
support for ICMP redirect messages 40-11
switch stack considerations 40-4
timers 40-9
tracking 40-7
See also clusters, cluster standby group, and standby command switch
HTTP over SSL
see HTTPS
HTTPS 9-42
configuring 9-46
self-signed certificate 9-43
HTTP secure server 9-42
I
IBPG 36-43
ICMP
IPv6 37-4
redirect messages 36-12
support for 1-11
time-exceeded messages 45-18
traceroute and 45-18
unreachable messages 33-20
unreachable messages and IPv6 39-4
unreachables and ACLs 33-22
ICMP ping
executing 45-15
overview 45-14
ICMP Router Discovery Protocol
See IRDP
ICMPv6 37-4
IDS appliances
and ingress RSPAN 29-22
and ingress SPAN 29-15
IEEE 802.1D
See STP
IEEE 802.1p 15-1
IEEE 802.1Q
and trunk ports 11-3
configuration limitations 13-19
encapsulation 13-16
native VLAN for untagged traffic 13-23
tunneling
compatibility with other features 17-6
defaults 17-4
described 17-1
tunnel ports with other features 17-6
IEEE 802.1s
See MSTP
IEEE 802.1w
See RSTP
IEEE 802.1x
See port-based authentication
IEEE 802.3ad
See EtherChannel
IEEE 802.3af
See PoE
IEEE 802.3x flow control 11-19
ifIndex values, SNMP 32-6
IFS 1-6
IGMP
configurable leave timer
described 24-6
enabling 24-12
configuring the switch
as a member of a group 42-29
statically connected member 42-33
controlling access to groups 42-30
default configuration 42-28
deleting cache entries 42-52
displaying groups 42-52
fast switching 42-33
flooded multicast traffic
controlling the length of time 24-13
disabling on an interface 24-14
global leave 24-13
query solicitation 24-13
recovering from flood mode 24-13
host-query interval, modifying 42-31
joining multicast group 24-3
join messages 24-3
leave processing, enabling 24-11, 38-9
leaving multicast group 24-5
multicast reachability 42-29
overview 42-3
queries 24-4
report suppression
described 24-6
disabling 24-16, 38-11
supported versions 24-3
support for 1-4
Version 1
changing to Version 2 42-31
described 42-3
Version 2
changing to Version 1 42-31
described 42-3
maximum query response time value 42-33
pruning groups 42-33
query timeout value 42-32
IGMP filtering
configuring 24-25
default configuration 24-25
described 24-24
monitoring 24-29
support for 1-4
IGMP groups
configuring filtering 24-28
setting the maximum number 24-27
IGMP Immediate Leave
configuration guidelines 24-12
described 24-6
enabling 24-11
IGMP profile
applying 24-26
configuration mode 24-25
configuring 24-26
IGMP snooping
and address aliasing 24-2
and stack changes 24-7
configuring 24-7
default configuration 24-7, 38-5, 38-6
definition 24-2
enabling and disabling 24-8, 38-6
global configuration 24-8
Immediate Leave 24-6
in the switch stack 24-7
method 24-9
monitoring 24-16, 38-11
querier
configuration guidelines 24-15
configuring 24-15
supported versions 24-3
support for 1-4
VLAN configuration 24-8
IGMP throttling
configuring 24-28
default configuration 24-25
described 24-25
displaying action 24-29
IGP 36-25
Immediate Leave, IGMP 24-6
enabling 38-9
inaccessible authentication bypass 10-14
initial configuration
defaults 1-13
Express Setup 1-2
See also getting started guide and hardware installation guide
integrated wireless LAN controller switch
see 3750G integrated wireless LAN controller switch
interface
number 11-11
range macros 11-14
interface command11-10to 11-12
interface configuration mode 2-3
interfaces
auto-MDIX, configuring 11-20
configuration guidelines
10-Gigabit Ethernet 11-17
duplex and speed 11-17
configuring
for IPv4 and IPv6 37-14
procedure 11-11
counters, clearing 11-30
default configuration 11-15
described 11-24
descriptive name, adding 11-24
displaying information about 11-29
flow control 11-19
management 1-5
monitoring 11-28
naming 11-24
physical, identifying 11-10
range of 11-12
restarting 11-30
shutting down 11-30
speed and duplex, configuring 11-18
status 11-28
supported 11-10
types of 11-1
interfaces range macro command 11-14
interface types 11-10
Interior Gateway Protocol
See IGP
internal BGP
See IBGP
internal neighbors, BGP 36-47
Internet Control Message Protocol
See ICMP
Internet Group Management Protocol
See IGMP
Internet Protocol version 6
See IPv6
Inter-Switch Link
See ISL
inter-VLAN routing 1-11, 36-2
Intrusion Detection System
See IDS appliances
IP ACLs
for QoS classification 34-7
implicit deny 33-10, 33-14
implicit masks 33-10
named 33-15
undefined 33-21
IP addresses
128-bit 37-2
candidate or member 6-4, 6-13
classes of 36-7
cluster access 6-2
command switch 6-3, 6-11, 6-13
default configuration 36-6
discovering 7-27
for IP routing 36-5
IPv6 37-2
MAC address association 36-9
monitoring 36-18
redundant clusters 6-11
standby command switch 6-11, 6-13
See also IP information
IP base image 1-1
IP broadcast address 36-16
ip cef distributed command 36-75
IP directed broadcasts 36-14
ip igmp profile command 24-25
IP information
assigned
manually 3-10
through DHCP-based autoconfiguration 3-3
default configuration 3-3
IP multicast routing
addresses
all-hosts 42-3
all-multicast-routers 42-3
host group address range 42-3
administratively-scoped boundaries, described 42-37
and IGMP snooping 24-2
Auto-RP
adding to an existing sparse-mode cloud 42-17
benefits of 42-16
clearing the cache 42-52
configuration guidelines 42-11
filtering incoming RP announcement messages 42-19
overview 42-6
preventing candidate RP spoofing 42-19
preventing join messages to false RPs 42-18
setting up in a new internetwork 42-16
using with BSR 42-24
bootstrap router
configuration guidelines 42-11
configuring candidate BSRs 42-22
configuring candidate RPs 42-23
defining the IP multicast boundary 42-21
defining the PIM domain border 42-20
overview 42-6
using with Auto-RP 42-24
Cisco implementation 42-2
configuring
basic multicast routing 42-12
IP multicast boundary 42-37
default configuration 42-10
enabling
multicast forwarding 42-12
PIM mode 42-13
group-to-RP mappings
Auto-RP 42-6
BSR 42-6
MBONE
deleting sdr cache entries 42-52
described 42-35
displaying sdr cache 42-53
enabling sdr listener support 42-36
limiting DVMRP routes advertised 42-47
limiting sdr cache entry lifetime 42-36
SAP packets for conference session announcement 42-35
Session Directory (sdr) tool, described 42-35
monitoring
packet rate loss 42-53
peering devices 42-53
tracing a path 42-53
multicast forwarding, described 42-7
PIMv1 and PIMv2 interoperability 42-11
protocol interaction 42-2
reverse path check (RPF) 42-7
routing table
deleting 42-52
displaying 42-52
RP
assigning manually 42-14
configuring Auto-RP 42-16
configuring PIMv2 BSR 42-20
monitoring mapping information 42-24
using Auto-RP and BSR 42-24
stacking
stack master functions 42-9
stack member functions 42-9
statistics, displaying system and network 42-52
See also CGMP
See also DVMRP
See also IGMP
See also PIM
IP phones
and QoS 15-1
automatic classification and queueing 34-20
configuring 15-4
ensuring port security with QoS 34-39
trusted boundary for QoS 34-39
IP precedence 34-2
IP-precedence-to-DSCP map for QoS 34-62
IP protocols
in ACLs 33-12
routing 1-11
IP routes, monitoring 36-89
IP routing
connecting interfaces with 11-10
disabling 36-19
enabling 36-19
IP services image 1-1
IP source guard
and 802.1x 22-18
and DHCP snooping 22-16
and EtherChannels 22-18
and port security 22-18
and private VLANs 22-18
and routed ports 22-17
and TCAM entries 22-18
and trunk interfaces 22-18
and VRF 22-18
binding configuration
automatic 22-16
manual 22-16
binding table 22-16
configuration guidelines 22-17
default configuration 22-17
described 22-16
disabling 22-19
displaying
bindings 22-19
configuration 22-19
enabling 22-18
filtering
source IP address 22-17
source IP and MAC address 22-17
source IP address filtering 22-17
source IP and MAC address filtering 22-17
static bindings
adding 22-18
deleting 22-19
IP traceroute
executing 45-18
overview 45-17
IP unicast routing
address resolution 36-9
administrative distances 36-77, 36-87
ARP 36-9
assigning IP addresses to Layer 3 interfaces 36-7
authentication keys 36-88
broadcast
address 36-16
flooding 36-17
packets 36-14
storms 36-14
classless routing 36-8
configuring static routes 36-77
default
addressing configuration 36-6
gateways 36-12
networks 36-78
routes 36-78
routing 36-3
directed broadcasts 36-14
disabling 36-19
dynamic routing 36-3
enabling 36-19
EtherChannel Layer 3 interface 36-5
IGP 36-25
inter-VLAN 36-2
IP addressing
classes 36-7
configuring 36-5
IPv6 37-3
IRDP 36-12
Layer 3 interfaces 36-5
MAC address and IP address 36-9
passive interfaces 36-86
protocols
distance-vector 36-3
dynamic 36-3
link-state 36-3
proxy ARP 36-9
redistribution 36-79
reverse address resolution 36-9
routed ports 36-5
static routing 36-3
steps to configure 36-5
subnet mask 36-7
subnet zero 36-7
supernet 36-8
UDP 36-15
with SVIs 36-5
See also BGP
See also EIGRP
See also OSPF
See also RIP
IPv4 ACLs
applying to interfaces 33-20
extended, creating 33-11
named 33-15
standard, creating 33-10
IPv4 and IPv6
configuring on an interface 37-14
differences 37-2
dual protocol stacks 37-6
IPv6
ACLs
displaying 39-8
limitations 39-3
matching criteria 39-3
port 39-1
precedence 39-2
router 39-1
supported 39-2
addresses 37-2
address formats 37-3
advantages 37-2
and switch stacks 37-8
applications 37-5
assigning address 37-11
autoconfiguration 37-5
CEFv6 37-16
configuring static routes 37-16
default configuration 37-11
defined 37-1
enabling 37-11
feature limitations 37-7
features not supported 37-6
ICMP 37-4
ICMP rate limiting 37-15
monitoring 37-22
neighbor discovery 37-4
OSPF 37-20
path MTU discovery 37-4
reasons for 37-1
RIP 37-18
SDM templates 8-2, 37-9, 38-1, 39-1
stack master functions 37-8
supported features 37-3
switch limitations 37-7
IPv6 traffic, filtering 39-4
IRDP
configuring 36-13
definition 36-12
support for 1-11
ISL
and IPv6 37-3
and trunk ports 11-3
encapsulation 1-7, 13-16
trunking with IEEE 802.1 tunneling 17-5
isolated port 16-2
isolated VLANs 16-2, 16-3
J
join messages, IGMP 24-3
K
KDC
described 9-32
See also Kerberos
keepalive messages 18-2
Kerberos
authenticating to
boundary switch 9-34
KDC 9-34
network services 9-35
configuration examples 9-32
configuring 9-35
credentials 9-32
cryptographic software image 9-32
described 9-32
KDC 9-32
operation 9-34
realm 9-33
server 9-34
support for 1-9
switch as trusted third party 9-32
terms 9-33
TGT 9-34
tickets 9-32
key distribution center
See KDC
L
l2protocol-tunnel command 17-13
LACP
Layer 2 protocol tunneling 17-9
See EtherChannel
Layer 2 frames, classification with CoS 34-2
Layer 2 interfaces, default configuration 11-15
Layer 2 protocol tunneling
configuring 17-10
configuring for EtherChannels 17-14
default configuration 17-11
defined 17-8
guidelines 17-12
Layer 2 traceroute
and ARP 45-17
and CDP 45-16
broadcast traffic 45-16
described 45-16
IP addresses and subnets 45-17
MAC addresses and VLANs 45-16
multicast traffic 45-16
multiple devices on a port 45-17
unicast traffic 45-16
usage guidelines 45-16
Layer 3 features 1-11
Layer 3 interfaces
assigning IP addresses to 36-7
assigning IPv4 and IPv6 addresses to 37-14
assigning IPv6 addresses to 37-12
changing from Layer 2 mode 36-7
types of 36-5
Layer 3 packets, classification methods 34-2
LDAP 4-2
LEDs, switch
See hardware installation guide
lightweight directory access protocol
See LDAP
line configuration mode 2-3
Link Aggregation Control Protocol
See EtherChannel
link failure, detecting unidirectional 19-8
Link Layer Discovery Protocol
See CDP
link local unicast addresses 37-4
link redundancy
See Flex Links
links, unidirectional 28-1
link state advertisements (LSAs) 36-30
link-state protocols 36-3
link-state tracking
configuring 35-25
described 35-23
LLDP
configuring 27-3
characteristics 27-3
default configuration 27-3
disabling and enabling
globally 27-4
on an interface 27-5
monitoring and maintaining 27-7
overview 27-1
supported tlvs 27-2
switch stack considerations 27-2
transmission timer and holdtime, setting 27-3
LLDP-MED
configuring
procedures 27-3
tlvs 27-6
monitoring and maintaining 27-7
overview 27-1, 27-2
supported tlvs 27-2
LLDP Media Endpoint Discovery
See LLDP-MED
load balancing 40-3
local SPAN 29-2
logging messages, ACL 33-9
login authentication
with RADIUS 9-23
with TACACS+ 9-14
login banners 7-17
log messages
See system message logging
Long-Reach Ethernet (LRE) technology 1-17, 1-25
loop guard
described 20-11
enabling 20-18
support for 1-7
LRE profiles, considerations in switch clusters 6-16
M
MAB aging timer 1-8
MAB inactivity timer
default setting 10-22
range 10-25
MAC addresses
aging time 7-21
and VLAN association 7-20
building the address table 7-20
default configuration 7-21
discovering 7-27
displaying 7-27
displaying in the IP source binding table 22-19
dynamic
learning 7-20
removing 7-22
in ACLs 33-27
IP address association 36-9
static
adding 7-25
allowing 7-26
characteristics of 7-24
dropping 7-26
removing 7-25
MAC address notification, support for 1-12
MAC address-table move update
configuration guidelines 21-5
configuring 21-8
default configuration 21-5
description 21-3
monitoring 21-10
MAC address-to-VLAN mapping 13-28
MAC authentication bypass
See MAB
MAC extended access lists
applying to Layer 2 interfaces 33-28
configuring for QoS 34-46
creating 33-27
defined 33-27
for QoS classification 34-5
macros
See Smartports macros
magic packet 10-17
manageability features 1-5
management access
in-band
browser session 1-6
CLI session 1-6
device manager 1-6
SNMP 1-6
out-of-band console port connection 1-6
management options
CLI 2-1
clustering 1-3
CNS 4-1
Network Assistant 1-2
overview 1-5
switch stacks 1-3
management VLAN
considerations in switch clusters 6-7
discovery through different management VLANs 6-7
mapping tables for QoS
configuring
CoS-to-DSCP 34-61
DSCP 34-61
DSCP-to-CoS 34-64
DSCP-to-DSCP-mutation 34-65
IP-precedence-to-DSCP 34-62
policed-DSCP 34-63
described 34-12
marking
action in policy map 34-49
action with aggregate policers 34-59
described 34-4, 34-8
matching
IPv6 ACLs 39-3
matching, IPv4 ACLs 33-8
maximum aging time
MSTP 19-24
STP 18-23
maximum hop count, MSTP 19-24
maximum-paths command 36-51, 36-76
MDA
configuration guidelines10-19to 10-20
described 1-9, 10-19
exceptions with authentication process 10-4
membership mode, VLAN port 13-3
member switch
automatic discovery 6-5
defined 6-2
managing 6-16
passwords 6-13
recovering from lost connectivity 45-12
requirements 6-4
See also candidate switch, cluster standby group, and standby command switch
messages, to users through banners 7-17
metrics, in BGP 36-52
metric translations, between routing protocols 36-82
metro tags 17-2
MHSRP 40-3
MIBs
accessing files with FTP B-3
location of files B-3
overview 32-1
SNMP interaction with 32-4
supported B-1
mini-point-of-presence
See POP
mirroring traffic for analysis 29-1
mismatches, autonegotiation 45-12
module number 11-11
monitoring
access groups 33-40
BGP 36-63
cables for unidirectional links 28-1
CDP 26-5
CEF 36-75
EIGRP 36-42
fallback bridging 44-11
features 1-12
Flex Links 21-10
HSRP 40-11
IEEE 802.1Q tunneling 17-18
IGMP
filters 24-29
snooping 24-16, 38-11
interfaces 11-28
IP
address tables 36-18
multicast routing 42-51
routes 36-89
IPv4 ACL configuration 33-40
IPv6 37-22
IPv6 ACL configuration 39-8
Layer 2 protocol tunneling 17-18
MAC address-table move update 21-10
MSDP peers 43-18
multicast router interfaces 24-17, 38-12
multi-VRF CE 36-74
MVR 24-24
network traffic for analysis with probe 29-2
OSPF 36-34
port
blocking 25-19
protection 25-19
private VLANs 16-15
RP mapping information 42-24
SFP status 11-29, 45-14
source-active messages 43-18
speed and duplex mode 11-19
traffic flowing among switches 30-1
traffic suppression 25-19
tunneling 17-18
VLAN
filters 33-41
maps 33-41
VLANs 13-16
VMPS 13-32
VTP 14-16
MSDP
benefits of 43-3
clearing MSDP connections and statistics 43-18
controlling source information
forwarded by switch 43-11
originated by switch 43-9
received by switch 43-13
default configuration 43-4
dense-mode regions
sending SA messages to 43-16
specifying the originating address 43-17
filtering
incoming SA messages 43-14
SA messages to a peer 43-12
SA requests from a peer 43-10
join latency, defined 43-6
meshed groups
configuring 43-15
defined 43-15
originating address, changing 43-17
overview 43-1
peer-RPF flooding 43-2
peers
configuring a default 43-4
monitoring 43-18
peering relationship, overview 43-1
requesting source information from 43-8
shutting down 43-15
source-active messages
caching 43-6
clearing cache entries 43-18
defined 43-2
filtering from a peer 43-10
filtering incoming 43-14
filtering to a peer 43-12
limiting data with TTL 43-13
monitoring 43-18
restricting advertised sources 43-9
support for 1-11
MSTP
boundary ports
configuration guidelines 19-16
described 19-6
BPDU filtering
described 20-3
enabling 20-14
BPDU guard
described 20-2
enabling 20-13
CIST, described 19-3
CIST regional root 19-3
CIST root 19-5
configuration guidelines 19-15, 20-12
configuring
forward-delay time 19-23
hello time 19-22
link type for rapid convergence 19-24
maximum aging time 19-24
maximum hop count 19-24
MST region 19-16
neighbor type 19-25
path cost 19-21
port priority 19-19
root switch 19-17
secondary root switch 19-19
switch priority 19-22
CST
defined 19-3
operations between regions 19-4
default configuration 19-15
default optional feature configuration 20-12
displaying status 19-26
enabling the mode 19-16
EtherChannel guard
described 20-10
enabling 20-17
extended system ID
effects on root switch 19-17
effects on secondary root switch 19-19
unexpected behavior 19-18
IEEE 802.1s
implementation 19-6
port role naming change 19-7
terminology 19-5
instances supported 18-10
interface state, blocking to forwarding 20-2
interoperability and compatibility among modes 18-11
interoperability with IEEE 802.1D
described 19-9
restarting migration process 19-26
IST
defined 19-3
master 19-3
operations within a region 19-3
loop guard
described 20-11
enabling 20-18
mapping VLANs to MST instance 19-16
MST region
CIST 19-3
configuring 19-16
described 19-2
hop-count mechanism 19-5
IST 19-3
supported spanning-tree instances 19-2
optional features supported 1-7
overview 19-2
Port Fast
described 20-2
enabling 20-12
preventing root switch selection 20-10
root guard
described 20-10
enabling 20-18
root switch
configuring 19-18
effects of extended system ID 19-17
unexpected behavior 19-18
shutdown Port Fast-enabled port 20-2
stack changes, effects of 19-8
status, displaying 19-26
multicast groups
Immediate Leave 24-6
joining 24-3
leaving 24-5
static joins 24-11, 38-8
multicast packets
ACLs on 33-40
blocking 25-7
multicast router interfaces, monitoring 24-17, 38-12
multicast router ports, adding 24-10, 38-8
Multicast Source Discovery Protocol
See MSDP
multicast storm 25-1
multicast storm-control command 25-4
multicast television application 24-19
multicast VLAN 24-18
Multicast VLAN Registration
See MVR
multidomain authentication
See MDA
Multiple HSRP
See MHSRP
multiple VPN routing/forwarding in customer edge devices
See multi-VRF CE
multi-VRF CE
configuration example 36-70
configuration guidelines 36-67
configuring 36-66
default configuration 36-66
defined 36-64
displaying 36-74
monitoring 36-74
network components 36-66
packet-forwarding process 36-66
support for 1-11
MVR
and address aliasing 24-21
and IGMPv3 24-21
configuration guidelines 24-21
configuring interfaces 24-22
default configuration 24-20
described 24-18
example application 24-19
in the switch stack 24-20
modes 24-22
monitoring 24-24
multicast television application 24-19
setting global parameters 24-21
support for 1-4
N
NAC
AAA down policy 1-9
critical authentication 10-14, 10-37
IEEE 802.1x authentication using a RADIUS server 10-41
IEEE 802.1x validation using RADIUS server 10-41
inaccessible authentication bypass 1-9, 10-37
Layer 2 IEEE 802.1x validation 1-9, 10-41
Layer 2 IEEE802.1x validation 10-19
Layer 2 IP validation 1-9
named IPv4 ACLs 33-15
NameSpace Mapper
See NSM
native VLAN
and IEEE 802.1Q tunneling 17-4
configuring 13-23
default 13-23
neighbor discovery, IPv6 37-4
neighbor discovery/recovery, EIGRP 36-35
neighbors, BGP 36-58
Network Admission Control
NAC
Network Assistant
benefits 1-2
described 1-5
downloading image files 1-3
guide mode 1-3
management options 1-2
managing switch stacks 5-2, 5-16
requirements xliv
upgrading a switch C-19
wizards 1-3
network configuration examples
cost-effective wiring closet 1-17
high-performance wiring closet 1-18
increasing network performance 1-16
large network 1-23
long-distance, high-bandwidth transport 1-26
multidwelling network 1-25
providing network services 1-17
redundant Gigabit backbone 1-19
server aggregation and Linux server cluster 1-19
small to medium-sized network 1-21
network design
performance 1-16
services 1-17
network management
CDP 26-1
RMON 30-1
SNMP 32-1
Network Time Protocol
See NTP
no commands 2-4
nonhierarchical policy maps
configuration guidelines 34-33
configuring 34-49
described 34-9
non-IP traffic filtering 33-27
nontrunking mode 13-18
normal-range VLANs 13-4
configuration guidelines 13-6
configuration modes 13-7
configuring 13-4
defined 13-1
no switchport command 11-4
note, described xliv
not-so-stubby areas
See NSSA
NSM 4-3
NSSA, OSPF 36-30
NTP
associations
authenticating 7-4
defined 7-2
enabling broadcast messages 7-6
peer 7-5
server 7-5
default configuration 7-4
displaying the configuration 7-11
overview 7-2
restricting access
creating an access group 7-8
disabling NTP services per interface 7-10
source IP address, configuring 7-10
stratum 7-2
support for 1-6
synchronizing devices 7-5
time
services 7-2
synchronizing 7-2
O
object tracking, HSRP 40-17
offline configuration for switch stacks 5-7
online diagnostics
overview 46-1
running tests 46-3
understanding 46-1
Open Shortest Path First
See OSPF
optimizing system resources 8-1
options, management 1-5
OSPF
area parameters, configuring 36-30
configuring 36-28
default configuration
metrics 36-32
route 36-31
settings 36-26
described 36-25
for IPv6 37-20
interface parameters, configuring 36-29
LSA group pacing 36-33
monitoring 36-34
router IDs 36-33
route summarization 36-31
support for 1-11
virtual links 36-31
out-of-profile markdown 1-10
P
packet modification, with QoS 34-19
PAgP
Layer 2 protocol tunneling 17-9
See EtherChannel
parallel paths, in routing tables 36-76
passive interfaces
configuring 36-86
OSPF 36-32
passwords
default configuration 9-2
disabling recovery of 9-5
encrypting 9-3
for security 1-8
in clusters 6-14
overview 9-1
recovery of 45-3
setting
enable 9-3
enable secret 9-3
Telnet 9-6
with usernames 9-6
VTP domain 14-8
path cost
MSTP 19-21
STP 18-20
path MTU discovery 37-4
PBR
defined 36-82
enabling 36-84
fast-switched policy-based routing 36-85
local policy-based routing 36-85
PC (passive command switch) 6-10
peers, BGP 36-58
percentage thresholds in tracked lists 40-16
performance, network design 1-16
performance features 1-4
persistent self-signed certificate 9-43
per-VLAN spanning-tree plus
See PVST+
PE to CE routing, configuring 36-69
physical ports 11-2
PIM
default configuration 42-10
dense mode
overview 42-4
rendezvous point (RP), described 42-5
RPF lookups 42-8
displaying neighbors 42-52
enabling a mode 42-13
overview 42-4
router-query message interval, modifying 42-27
shared tree and source tree, overview 42-25
shortest path tree, delaying the use of 42-26
sparse mode
join messages and shared tree 42-5
overview 42-5
prune messages 42-5
RPF lookups 42-8
stub routing
displaying 42-52
enabling 42-14
overview 42-5
support for 1-11
versions
interoperability 42-11
troubleshooting interoperability problems 42-25
v2 improvements 42-4
PIM-DVMRP, as snooping method 24-9
ping
character output description 45-15
executing 45-15
overview 45-14
PoE
auto mode 11-8
CDP with power consumption, described 11-7
CDP with power negotiation, described 11-7
Cisco intelligent power management 11-7
configuring 11-21
devices supported 11-6
high-power devices operating in low-power mode 11-7
IEEE power classification levels 11-8
power budgeting 11-23
power consumption 11-23
powered-device detection and initial power allocation 11-7
power management modes 11-8
power negotiation extensions to CDP 11-7
standards supported 11-7
static mode 11-9
supported watts per port 11-6
troubleshooting 45-13
policed-DSCP map for QoS 34-63
policers
configuring
for each matched traffic class 34-49
for more than one traffic class 34-59
described 34-4
displaying 34-79
number of 34-34
types of 34-9
policing
described 34-4
hierarchical
See hierarchical policy maps
token-bucket algorithm 34-9
policy-based routing
See PBR
policy maps for QoS
characteristics of 34-49
described 34-7
displaying 34-80
hierarchical 34-8
hierarchical on SVIs
configuration guidelines 34-33
configuring 34-53
described 34-11
nonhierarchical on physical ports
configuration guidelines 34-33
configuring 34-49
described 34-9
POP 1-25
port ACLs
defined 33-2
types of 33-3
Port Aggregation Protocol
See EtherChannel
port-based authentication
accounting 10-9
authentication server
defined 10-2
RADIUS server 10-3
client, defined 10-2
configuration guidelines 10-23
configuring
802.1x authentication 10-26
guest VLAN 10-34
host mode 10-28
inaccessible authentication bypass 10-37
manual re-authentication of a client 10-30
periodic re-authentication 10-29
quiet period 10-30
RADIUS server 10-28
RADIUS server parameters on the switch 10-27
restricted VLAN 10-35
switch-to-client frame-retransmit number 10-32
switch-to-client retransmission time 10-31
default configuration 10-22
described 10-1
device roles 10-2
displaying statistics 10-45
EAPOL-start frame 10-5
EAP-request/identity frame 10-5
EAP-response/identity frame 10-5
encapsulation 10-3
guest VLAN
configuration guidelines 10-13, 10-14
described 10-12
host mode 10-8
inaccessible authentication bypass
configuring 10-37
described 10-14
guidelines 10-24
initiation and message exchange 10-5
magic packet 10-17
method lists 10-26
multiple-hosts mode, described 10-8
per-user ACLs
AAA authorization 10-26
configuration tasks 10-12
described 10-11
RADIUS server attributes 10-11
ports
authorization state and dot1x port-control command 10-7
authorized and unauthorized 10-7
critical 10-14
voice VLAN 10-15
port security
and voice VLAN 10-17
described 10-16
interactions 10-16
multiple-hosts mode 10-8
resetting to default values 10-45
stack changes, effects of 10-7
statistics, displaying 10-45
switch
as proxy 10-3
RADIUS client 10-3
upgrading from a previous release 10-25, 34-26
VLAN assignment
AAA authorization 10-26
characteristics 10-10
configuration tasks 10-11
described 10-10
voice VLAN
described 10-15
PVID 10-15
VVID 10-15
wake-on-LAN, described 10-17
port blocking 1-4, 25-7
port-channel
See EtherChannel
Port Fast
described 20-2
enabling 20-12
mode, spanning tree 13-29
support for 1-7
port membership modes, VLAN 13-3
port priority
MSTP 19-19
STP 18-18
ports
10-Gigabit Ethernet module 11-6
access 11-3
blocking 25-7
dynamic access 13-3
IEEE 802.1Q tunnel 13-4
protected 25-5
routed 11-4
secure 25-8
static-access 13-3, 13-11
switch 11-2
trunks 13-3, 13-16
VLAN assignments 13-11
port security
aging 25-16
and private VLANs 25-18
and QoS trusted boundary 34-39
and stacking 25-18
configuring 25-12
default configuration 25-10
described 25-8
displaying 25-19
enabling 25-18
on trunk ports 25-13
sticky learning 25-9
violations 25-9
with other features 25-10
port-shutdown response, VMPS 13-28
Power over Ethernet
See PoE
preemption, default configuration 21-4
preemption delay, default configuration 21-5
preferential treatment of traffic
See QoS
prefix lists, BGP 36-55
preventing unauthorized access 9-1
primary links 21-2
primary VLANs 16-1, 16-3
priority
HSRP 40-7
overriding CoS 15-6
trusting CoS 15-6
private VLAN edge ports
See protected ports
private VLANs
across multiple switches 16-4
and SDM template 16-4
and SVIs 16-5
and switch stacks 16-6
benefits of 16-1
community ports 16-2
community VLANs 16-2, 16-3
configuration guidelines 16-7, 16-8
configuration tasks 16-6
configuring 16-10
default configuration 16-7
end station access to 16-3
IP addressing 16-3
isolated port 16-2
isolated VLANs 16-2, 16-3
mapping 16-14
monitoring 16-15
ports
community 16-2
configuration guidelines 16-8
configuring host ports 16-12
configuring promiscuous ports 16-13
described 13-4
isolated 16-2
promiscuous 16-2
primary VLANs 16-1, 16-3
promiscuous ports 16-2
secondary VLANs 16-2
subdomains 16-1
traffic in 16-5
privileged EXEC mode 2-2
privilege levels
changing the default for lines 9-9
command switch 6-17
exiting 9-9
logging into 9-9
mapping on member switches 6-17
overview 9-2, 9-7
setting a command with 9-8
promiscuous ports
configuring 16-13
defined 16-2
protected ports 1-8, 25-5
protocol-dependent modules, EIGRP 36-36
Protocol-Independent Multicast Protocol
See PIM
provider edge devices 36-65
provisioning new members for a switch stack 5-7
proxy ARP
configuring 36-11
definition 36-9
with IP routing disabled 36-12
pruning, VTP
disabling
in VTP domain 14-14
on a port 13-23
enabling
in VTP domain 14-14
on a port 13-22
examples 14-5
overview 14-4
pruning-eligible list
changing 13-22
for VTP pruning 14-5
VLANs 14-14
PVST+
described 18-10
IEEE 802.1Q trunking interoperability 18-11
instances supported 18-10
Q
QoS
and MQC commands 34-1
auto-QoS
categorizing traffic 34-21
configuration and defaults display 34-30
configuration guidelines 34-25
described 34-20
disabling 34-27
displaying generated commands 34-27
displaying the initial configuration 34-30
effects on running configuration 34-25
egress queue defaults 34-21
enabling for VoIP 34-26
example configuration 34-28
ingress queue defaults 34-21
list of generated commands 34-22
basic model 34-4
classification
class maps, described 34-7
defined 34-4
DSCP transparency, described 34-40
flowchart 34-6
forwarding treatment 34-3
in frames and packets 34-3
IP ACLs, described 34-5, 34-7
MAC ACLs, described 34-5, 34-7
options for IP traffic 34-5
options for non-IP traffic 34-5
policy maps, described 34-7
trust DSCP, described 34-5
trusted CoS, described 34-5
trust IP precedence, described 34-5
class maps
configuring 34-47
displaying 34-79
configuration guidelines
auto-QoS 34-25
standard QoS 34-33
configuring
aggregate policers 34-59
auto-QoS 34-20
default port CoS value 34-38
DSCP maps 34-61
DSCP transparency 34-40
DSCP trust states bordering another domain 34-41
egress queue characteristics 34-71
ingress queue characteristics 34-67
IP extended ACLs 34-45
IP standard ACLs 34-44
MAC ACLs 34-46
policy maps, hierarchical 34-53
policy maps on physical ports 34-49
port trust states within the domain 34-36
trusted boundary 34-39
default auto configuration 34-20
default standard configuration 34-31
displaying statistics 34-79
DSCP transparency 34-40
egress queues
allocating buffer space 34-72
buffer allocation scheme, described 34-18
configuring shaped weights for SRR 34-76
configuring shared weights for SRR 34-77
described 34-4
displaying the threshold map 34-75
flowchart 34-17
mapping DSCP or CoS values 34-74
scheduling, described 34-4
setting WTD thresholds 34-72
WTD, described 34-19
enabling globally 34-35
flowcharts
classification 34-6
egress queueing and scheduling 34-17
ingress queueing and scheduling 34-15
policing and marking 34-10
implicit deny 34-7
ingress queues
allocating bandwidth 34-69
allocating buffer space 34-69
buffer and bandwidth allocation, described 34-16
configuring shared weights for SRR 34-69
configuring the priority queue 34-70
described 34-4
displaying the threshold map 34-68
flowchart 34-15
mapping DSCP or CoS values 34-68
priority queue, described 34-16
scheduling, described 34-4
setting WTD thresholds 34-68
WTD, described 34-16
IP phones
automatic classification and queueing 34-20
detection and trusted settings 34-20, 34-39
limiting bandwidth on egress interface 34-78
mapping tables
CoS-to-DSCP 34-61
displaying 34-79
DSCP-to-CoS 34-64
DSCP-to-DSCP-mutation 34-65
IP-precedence-to-DSCP 34-62
policed-DSCP 34-63
types of 34-12
marked-down actions 34-51, 34-56
marking, described 34-4, 34-8
overview 34-2
packet modification 34-19
policers
configuring 34-51, 34-56, 34-59
described 34-8
displaying 34-79
number of 34-34
types of 34-9
policies, attaching to an interface 34-8
policing
described 34-4, 34-8
token bucket algorithm 34-9
policy maps
characteristics of 34-49
displaying 34-80
hierarchical 34-8
hierarchical on SVIs 34-53
nonhierarchical on physical ports 34-49
QoS label, defined 34-4
queues
configuring egress characteristics 34-71
configuring ingress characteristics 34-67
high priority (expedite) 34-19, 34-78
location of 34-13
SRR, described 34-14
WTD, described 34-13
rewrites 34-19
support for 1-10
trust states
bordering another domain 34-41
described 34-5
trusted device 34-39
within the domain 34-36
quality of service
See QoS
queries, IGMP 24-4
query solicitation, IGMP 24-13
R
RADIUS
attributes
vendor-proprietary 9-31
vendor-specific 9-29
configuring
accounting 9-28
authentication 9-23
authorization 9-27
communication, global 9-21, 9-29
communication, per-server 9-21
multiple UDP ports 9-21
default configuration 9-20
defining AAA server groups 9-25
displaying the configuration 9-31
identifying the server 9-21
in clusters 6-16
limiting the services to the user 9-27
method list, defined 9-20
operation of 9-19
overview 9-18
suggested network environments 9-18
support for 1-9
tracking services accessed by user 9-28
range
macro 11-14
of interfaces 11-12
rapid convergence 19-10
rapid per-VLAN spanning-tree plus
See rapid PVST+
rapid PVST+
described 18-10
IEEE 802.1Q trunking interoperability 18-11
instances supported 18-10
Rapid Spanning Tree Protocol
See RSTP
RARP 36-9
rcommand command 6-16
RCP
configuration files
downloading C-17
overview C-15
preparing the server C-16
uploading C-18
image files
deleting old image C-32
downloading C-31
preparing the server C-30
uploading C-33
reconfirmation interval, VMPS, changing 13-31
reconfirming dynamic VLAN membership 13-31
recovery procedures 45-1
redundancy
EtherChannel 35-3
HSRP 40-1
STP
backbone 18-9
multidrop backbone 20-5
path cost 13-26
port priority 13-24
redundant links and UplinkFast 20-15
reliable transport protocol, EIGRP 36-35
reloading software 3-16
Remote Authentication Dial-In User Service
See RADIUS
Remote Copy Protocol
See RCP
Remote Network Monitoring
See RMON
Remote SPAN
See RSPAN
remote SPAN 29-3
report suppression, IGMP
described 24-6
disabling 24-16, 38-11
requirements
cluster xlv
device manager xliv
Network Assistant xliv
resequencing ACL entries 33-15
resets, in BGP 36-50
resetting a UDLD-shutdown interface 28-6
restricted VLAN
configuring 10-35
described 10-13
using with IEEE 802.1x 10-13
restricting access
NTP services 7-8
overview 9-1
passwords and privilege levels 9-2
RADIUS 9-18
TACACS+ 9-10
retry count, VMPS, changing 13-32
reverse address resolution 36-9
Reverse Address Resolution Protocol
See RARP
RFC
1058, RIP 36-19
1112, IP multicast and IGMP 24-2
1157, SNMPv1 32-2
1163, BGP 36-43
1166, IP addresses 36-7
1253, OSPF 36-25
1267, BGP 36-43
1305, NTP 7-2
1587, NSSAs 36-25
1757, RMON 30-2
1771, BGP 36-43
1901, SNMPv2C 32-2
1902 to 1907, SNMPv2 32-2
2236, IP multicast and IGMP 24-2
2273-2275, SNMPv3 32-2
RIP
advertisements 36-20
authentication 36-22
configuring 36-21
default configuration 36-20
described 36-20
for IPv6 37-18
hop counts 36-20
split horizon 36-23
summary addresses 36-23
support for 1-11
RMON
default configuration 30-3
displaying status 30-6
enabling alarms and events 30-3
groups supported 30-2
overview 30-1
statistics
collecting group Ethernet 30-5
collecting group history 30-5
support for 1-12
root guard
described 20-10
enabling 20-18
support for 1-7
root switch
MSTP 19-17
STP 18-16
route calculation timers, OSPF 36-32
route dampening, BGP 36-62
routed packets, ACLs on 33-39
routed ports
configuring 36-5
defined 11-4
in switch clusters 6-8
IP addresses on 11-25, 36-5
route-map command 36-85
route maps
BGP 36-53
policy-based routing 36-83
router ACLs
defined 33-2
types of 33-4
route reflectors, BGP 36-61
router ID, OSPF 36-33
route selection, BGP 36-51
route summarization, OSPF 36-31
route targets, VPN 36-66
routing
default 36-3
dynamic 36-3
redistribution of information 36-79
static 36-3
routing domain confederation, BGP 36-60
Routing Information Protocol
See RIP
routing protocol administrative distances 36-77
RSPAN
and stack changes 29-10
characteristics 29-9
configuration guidelines 29-18
default configuration 29-11
defined 29-3
destination ports 29-8
displaying status 29-25
in a switch stack 29-2
interaction with other features 29-9
monitored ports 29-6
monitoring ports 29-8
overview 1-12, 29-1
received traffic 29-5
session limits 29-11
sessions
creating 29-19
defined 29-4
limiting source traffic to specific VLANs 29-24
specifying monitored ports 29-19
with ingress traffic enabled 29-22
source ports 29-6
transmitted traffic 29-6
VLAN-based 29-7
RSTP
active topology 19-10
BPDU
format 19-12
processing 19-13
designated port, defined 19-9
designated switch, defined 19-9
interoperability with IEEE 802.1D
described 19-9
restarting migration process 19-26
topology changes 19-13
overview 19-9
port roles
described 19-9
synchronized 19-11
proposal-agreement handshake process 19-10
rapid convergence
cross-stack rapid convergence 19-11
described 19-10
edge ports and Port Fast 19-10
point-to-point links 19-10, 19-24
root ports 19-10
root port, defined 19-9
See also MSTP
running configuration, saving 3-10
S
SC (standby command switch) 6-10
scheduled reloads 3-16
SDM
described 8-1
switch stack consideration 5-10
templates
configuring 8-6
number of 8-1
SDM mismatch mode 5-10, 8-4
SDM template
aggregator 8-1
configuration guidelines 8-5
configuring 8-5
desktop 8-1
dual IPv4 and IPv6 8-2
types of 8-1
secondary VLANs 16-2
secure HTTP client
configuring 9-47
displaying 9-48
secure HTTP server
configuring 9-46
displaying 9-48
secure MAC addresses
and switch stacks 25-18
deleting 25-15
maximum number of 25-9
types of 25-8
secure ports
and switch stacks 25-18
configuring 25-8
secure remote connections 9-38
Secure Shell
See SSH
Secure Socket Layer
See SSL
security, port 25-8
security features 1-8
sequence numbers in log messages 31-8
server mode, VTP 14-3
service-provider network, MSTP and RSTP 19-1
service-provider networks
and customer VLANs 17-2
and IEEE 802.1Q tunneling 17-1
Layer 2 protocols across 17-8
Layer 2 protocol tunneling for EtherChannels 17-9
set-request operation 32-5
setup program
failed command switch replacement 45-11
replacing failed command switch 45-9
severity levels, defining in system messages 31-9
SFPs
monitoring status of 11-29, 45-14
numbering of 11-11
security and identification 45-13
status, displaying 45-14
shaped round robin
See SRR
show access-lists hw-summary command 33-22
show and more command output, filtering 2-10
show cdp traffic command 26-5
show cluster members command 6-16
show configuration command 11-24
show forward command 45-22
show interfaces command 11-19, 11-24
show l2protocol command 17-13, 17-15, 17-16
show lldp traffic command 27-7
show platform forward command 45-22
show running-config command
displaying ACLs 33-20, 33-21, 33-31, 33-34
interface description in 11-24
shutdown command on interfaces 11-30
shutdown threshold for Layer 2 protocol packets 17-11
Simple Network Management Protocol
See SNMP
small form-factor pluggable modules
See SFPs
Smartports macros
applying Cisco-default macros 12-6
applying global parameter values 12-5, 12-6
applying macros 12-5
applying parameter values 12-5, 12-7
configuration guidelines 12-3
creating 12-4
default configuration 12-2
defined 12-1
displaying 12-8
tracing 12-3
website 12-2
SNAP 26-1
SNMP
accessing MIB variables with 32-4
agent
described 32-4
disabling 32-8
authentication level 32-11
community strings
configuring 32-8
for cluster switches 32-4
overview 32-4
configuration examples 32-17
default configuration 32-7
engine ID 32-7
groups 32-7, 32-10
host 32-7
ifIndex values 32-6
in-band management 1-6
in clusters 6-14
informs
and trap keyword 32-12
described 32-5
differences from traps 32-5
disabling 32-15
enabling 32-15
limiting access by TFTP servers 32-16
limiting system log messages to NMS 31-10
manager functions 1-5, 32-3
managing clusters with 6-17
MIBs
location of B-3
supported B-1
notifications 32-5
overview 32-1, 32-4
security levels 32-3
status, displaying 32-18
system contact and location 32-16
trap manager, configuring 32-14
traps
described 32-3, 32-5
differences from informs 32-5
disabling 32-15
enabling 32-12
enabling MAC address notification 7-22
overview 32-1, 32-5
types of 32-12
users 32-7, 32-10
versions supported 32-2
SNMPv1 32-2
SNMPv2C 32-2
SNMPv3 32-2
snooping, IGMP 24-2
software compatibility
See stacks, switch
software images
location in flash C-20
recovery procedures 45-2
scheduling reloads 3-16
tar file format, described C-20
See also downloading and uploading
source addresses
in IPv4 ACLs 33-12
in IPv6 ACLs 39-5
source-and-destination-IP address based forwarding, EtherChannel 35-9
source-and-destination MAC address forwarding, EtherChannel 35-8
source-IP address based forwarding, EtherChannel 35-9
source-MAC address forwarding, EtherChannel 35-8
SPAN
and stack changes 29-10
configuration guidelines 29-11
default configuration 29-11
destination ports 29-8
displaying status 29-25
interaction with other features 29-9
monitored ports 29-6
monitoring ports 29-8
overview 1-12, 29-1
ports, restrictions 25-11
received traffic 29-5
session limits 29-11
sessions
configuring ingress forwarding 29-16, 29-23
creating 29-12
defined 29-4
limiting source traffic to specific VLANs 29-16
removing destination (monitoring) ports 29-14
specifying monitored ports 29-12
with ingress traffic enabled 29-15
source ports 29-6
transmitted traffic 29-6
VLAN-based 29-7
spanning tree and native VLANs 13-19
Spanning Tree Protocol
See STP
SPAN traffic 29-5
split horizon, RIP 36-23
SRR
configuring
shaped weights on egress queues 34-76
shared weights on egress queues 34-77
shared weights on ingress queues 34-69
described 34-14
shaped mode 34-14
shared mode 34-14
support for 1-10, 1-11
SSH
configuring 9-39
cryptographic software image 9-37
described 1-6, 9-38
encryption methods 9-38
switch stack considerations 5-16, 9-38
user authentication methods, supported 9-39
SSL
configuration guidelines 9-45
configuring a secure HTTP client 9-47
configuring a secure HTTP server 9-46
cryptographic software image 9-42
described 9-42
monitoring 9-48
stack, switch
MAC address of 5-19
stack changes
effects on
IPv6 routing 37-8
stack changes, effects on
802.1x port-based authentication 10-7
ACL configuration 33-7
CDP 26-2
cross-stack EtherChannel 35-13
EtherChannel 35-10
fallback bridging 44-3
HSRP 40-4
IGMP snooping 24-7
IP routing 36-4
IPv6 ACLs 39-3
MAC address tables 7-21
MSTP 19-8
multicast routing 42-9
MVR 24-18
port security 25-18
SDM template selection 8-3
SNMP 32-1
SPAN and RSPAN 29-10
STP 18-12
switch clusters 6-14
system message log 31-2
VLANs 13-6
VTP 14-6
stack master
bridge ID (MAC address) 5-6
defined 5-1
election 5-4
IPv6 37-8
re-election 5-4
See also stacks, switch
stack member
accessing CLI of specific member 5-24
configuring
member number 5-22
priority value 5-22
defined 5-1
displaying information of 5-24
IPv6 37-8
number 5-6
priority value 5-7
provisioning a new member 5-23
replacing 5-15
See also stacks, switch
stack member number 11-11
stack protocol version 5-10
stacks, switch
accessing CLI of specific member 5-24
assigning information
member number 5-22
priority value 5-22
provisioning a new member 5-23
auto-advise 5-12
auto-copy 5-11
auto-extract 5-11
auto-upgrade 5-11
benefits 1-2
bridge ID 5-6
CDP considerations 26-2
compatibility, software 5-10
configuration file 5-14
configuration scenarios 5-17
copying an image file from one member to another C-34
default configuration 5-19
description of 5-1
displaying information of 5-24
enabling persistent MAC address timer 5-19
hardware compatibility and SDM mismatch mode 5-10
HSRP considerations 40-4
in clusters 6-14
incompatible software and image upgrades 5-14, C-34
IPv6 on 37-8
MAC address considerations 7-21
management connectivity 5-16
managing 5-1
membership 5-3
merged 5-3
MSTP instances supported 18-10
multicast routing, stack master and member roles 42-9
offline configuration
described 5-7
effects of adding a provisioned switch 5-8
effects of removing a provisioned switch 5-9
effects of replacing a provisioned switch 5-9
provisioned configuration, defined 5-7
provisioned switch, defined 5-7
provisioning a new member 5-23
partitioned 5-3, 45-8
provisioned switch
adding 5-8
removing 5-9
replacing 5-9
replacing a failed member 5-15
software compatibility 5-10
software image version 5-10
stack protocol version 5-10
STP
bridge ID 18-3
instances supported 18-10
root port selection 18-3
stack root switch election 18-3
system messages
hostnames in the display 31-1
remotely monitoring 31-2
system prompt consideration 7-14
system-wide configuration considerations 5-15
upgrading C-34
version-mismatch (VM) mode
automatic upgrades with auto-upgrade 5-11
described 5-11
examples 5-12
manual upgrades with auto-advise 5-12
upgrades with auto-extract 5-11
See also stack master and stack member
StackWise technology, Cisco 1-3
See also stacks, switch
standby command switch
configuring
considerations 6-11
defined 6-2
priority 6-10
requirements 6-3
virtual IP address 6-11
See also cluster standby group and HSRP
standby group, cluster
See cluster standby group and HSRP
standby ip command 40-5
standby links 21-2
standby router 40-1
standby timers, HSRP 40-9
startup configuration
booting
manually 3-13
specific image 3-14
clearing C-19
configuration file
automatically downloading 3-12
specifying the filename 3-12
default boot configuration 3-12
stateless autoconfiguration 37-5
static access ports
assigning to VLAN 13-11
defined 11-3, 13-3
static addresses
See addresses
static IP routing 1-11
static MAC addressing 1-8
static routes
configuring 36-77
configuring for IPv6 37-16
static routing 36-3
static VLAN membership 13-2
statistics
802.1x 10-45
CDP 26-5
interface 11-29
IP multicast routing 42-52
LLDP 27-7
LLDP-MED 27-7
OSPF 36-34
QoS ingress and egress 34-79
RMON group Ethernet 30-5
RMON group history 30-5
SNMP input and output 32-18
VTP 14-16
sticky learning 25-9
storm control
configuring 25-3
described 25-1
disabling 25-5
displaying 25-19
support for 1-4
thresholds 25-1
STP
accelerating root port selection 20-4
BackboneFast
described 20-7
disabling 20-17
enabling 20-16
BPDU filtering
described 20-3
disabling 20-15
enabling 20-14
BPDU guard
described 20-2
disabling 20-14
enabling 20-13
BPDU message exchange 18-3
configuration guidelines 18-13, 20-12
configuring
forward-delay time 18-23
hello time 18-22
maximum aging time 18-23
path cost 18-20
port priority 18-18
root switch 18-16
secondary root switch 18-18
spanning-tree mode 18-15
switch priority 18-21
transmit hold-count 18-24
counters, clearing 18-24
cross-stack UplinkFast
described 20-5
enabling 20-16
default configuration 18-13
default optional feature configuration 20-12
designated port, defined 18-4
designated switch, defined 18-4
detecting indirect link failures 20-8
disabling 18-16
displaying status 18-24
EtherChannel guard
described 20-10
disabling 20-17
enabling 20-17
extended system ID
effects on root switch 18-16
effects on the secondary root switch 18-18
overview 18-4
unexpected behavior 18-16
features supported 1-6
IEEE 802.1D and bridge ID 18-4
IEEE 802.1D and multicast addresses 18-9
IEEE 802.1t and VLAN identifier 18-5
inferior BPDU 18-3
instances supported 18-10
interface state, blocking to forwarding 20-2
interface states
blocking 18-7
disabled 18-8
forwarding 18-6, 18-7
learning 18-7
listening 18-7
overview 18-5
interoperability and compatibility among modes 18-11
keepalive messages 18-2
Layer 2 protocol tunneling 17-8
limitations with IEEE 802.1Q trunks 18-11
load sharing
overview 13-24
using path costs 13-26
using port priorities 13-24
loop guard
described 20-11
enabling 20-18
modes supported 18-10
multicast addresses, effect of 18-9
optional features supported 1-7
overview 18-2
path costs 13-26, 13-27
Port Fast
described 20-2
enabling 20-12
port priorities 13-25
preventing root switch selection 20-10
protocols supported 18-10
redundant connectivity 18-9
root guard
described 20-10
enabling 20-18
root port, defined 18-3
root port selection on a switch stack 18-3
root switch
configuring 18-16
effects of extended system ID 18-4, 18-16
election 18-3
unexpected behavior 18-16
shutdown Port Fast-enabled port 20-2
stack changes, effects of 18-12
status, displaying 18-24
superior BPDU 18-3
timers, described 18-22
UplinkFast
described 20-3
enabling 20-15
VLAN-bridge 18-11
stratum, NTP 7-2
stub areas, OSPF 36-30
stub routing, EIGRP 36-41
subdomains, private VLAN 16-1
subnet mask 36-7
subnet zero 36-7
success response, VMPS 13-28
summer time 7-13
SunNet Manager 1-5
supernet 36-8
SVIs
and IP unicast routing 36-5
and router ACLs 33-4
connecting VLANs 11-9
defined 11-5
routing between VLANs 13-2
switch clustering technology 6-1
See also clusters, switch
switch console port 1-6
Switch Database Management
See SDM
switched packets, ACLs on 33-38
Switched Port Analyzer
See SPAN
switched ports 11-2
switchport block multicast command 25-7
switchport block unicast command 25-7
switchport command 11-16
switchport mode dot1q-tunnel command 17-6
switchport protected command 25-6
switch priority
MSTP 19-22
STP 18-21
switch software features 1-1
switch stacks
Catalyst 3750G wireless LAN controller switch A-2
switch virtual interface
See SVI
synchronization, BGP 36-47
syslog
See system message logging
system clock
configuring
daylight saving time 7-13
manually 7-11
summer time 7-13
time zones 7-12
displaying the time and date 7-12
overview 7-1
See also NTP
system message logging
default configuration 31-4
defining error message severity levels 31-9
disabling 31-4
displaying the configuration 31-14
enabling 31-5
facility keywords, described 31-14
level keywords, described 31-10
limiting messages 31-10
message format 31-2
overview 31-1
sequence numbers, enabling and disabling 31-8
setting the display destination device 31-5
stack changes, effects of 31-2
synchronizing log messages 31-6
syslog facility 1-12
time stamps, enabling and disabling 31-8
UNIX syslog servers
configuring the daemon 31-12
configuring the logging facility 31-13
facilities supported 31-14
system MTU and IEEE 802.1Q tunneling 17-5
system name
default configuration 7-15
default setting 7-15
manual configuration 7-15
See also DNS
system prompt, default setting 7-14, 7-15
system resources, optimizing 8-1
T
TACACS+
accounting, defined 9-11
authentication, defined 9-11
authorization, defined 9-11
configuring
accounting 9-17
authentication key 9-13
authorization 9-16
login authentication 9-14
default configuration 9-13
displaying the configuration 9-17
identifying the server 9-13
in clusters 6-16
limiting the services to the user 9-16
operation of 9-12
overview 9-10
support for 1-9
tracking services accessed by user 9-17
tagged packets
IEEE 802.1Q 17-3
Layer 2 protocol 17-8
tar files
creating C-6
displaying the contents of C-7
extracting C-7
image file format C-20
TDR 1-12
Telnet
accessing management interfaces 2-11
number of connections 1-6
setting a password 9-6
templates, SDM 8-2
temporary self-signed certificate 9-43
Terminal Access Controller Access Control System Plus
See TACACS+
terminal lines, setting a password 9-6
TFTP
configuration files
downloading C-11
preparing the server C-10
uploading C-12
configuration files in base directory 3-6
configuring for autoconfiguration 3-6
image files
deleting C-24
downloading C-23
preparing the server C-22
uploading C-24
limiting access by servers 32-16
TFTP server 1-5
threshold, traffic level 25-2
time
See NTP and system clock
Time Domain Reflector
See TDR
time-range command 33-17
time ranges in ACLs 33-17
time stamps in log messages 31-8
time zones 7-12
tlvs
defined 27-2
LLDP 27-2
LLDP-MED 27-2
Token Ring VLANs
support for 13-6
VTP support 14-4
ToS 1-10
traceroute, Layer 2
and ARP 45-17
and CDP 45-16
broadcast traffic 45-16
described 45-16
IP addresses and subnets 45-17
MAC addresses and VLANs 45-16
multicast traffic 45-16
multiple devices on a port 45-17
unicast traffic 45-16
usage guidelines 45-16
traceroute command 45-18
See also IP traceroute
tracked lists
configuring 40-14
types 40-14
tracked objects
by Boolean expression 40-14
by threshold percentage 40-16
by threshold weight 40-15
tracking interface line-protocol state 40-13
tracking IP routing state 40-13
tracking objects 40-12
tracking process 40-12
traffic
blocking flooded 25-7
fragmented 33-5
fragmented IPv6 39-2
unfragmented 33-5
traffic policing 1-10
traffic suppression 25-1
transmit hold-count
see STP
transparent mode, VTP 14-3, 14-12
trap-door mechanism 3-2
traps
configuring MAC address notification 7-22
configuring managers 32-12
defined 32-3
enabling 7-22, 32-12
notification types 32-12
overview 32-1, 32-5
troubleshooting
connectivity problems 45-14, 45-16, 45-17
detecting unidirectional links 28-1
displaying crash information 45-24
PIMv1 and PIMv2 interoperability problems 42-25
setting packet forwarding 45-22
SFP security and identification 45-13
show forward command 45-22
with CiscoWorks 32-4
with debug commands 45-20
with ping 45-14
with system message logging 31-1
with traceroute 45-17
trunk failover
See link-state tracking
trunking encapsulation 1-7
trunk ports
configuring 13-20
defined 11-3, 13-3
encapsulation 13-20, 13-25, 13-27
trunks
allowed-VLAN list 13-21
configuring 13-20, 13-25, 13-27
ISL 13-16
load sharing
setting STP path costs 13-26
using STP port priorities 13-24, 13-25
native VLAN for untagged traffic 13-23
parallel 13-26
pruning-eligible list 13-22
to non-DTP device 13-17
trusted boundary for QoS 34-39
trusted port states
between QoS domains 34-41
classification options 34-5
ensuring port security for IP phones 34-39
support for 1-10
within a QoS domain 34-36
trustpoints, CA 9-42
tunneling
defined 17-1
IEEE 802.1Q 17-1
Layer 2 protocol 17-8
tunnel ports
defined 13-4
described 11-4, 17-1
IEEE 802.1Q, configuring 17-6
incompatibilities with other features 17-6
twisted-pair Ethernet, detecting unidirectional links 28-1
type of service
See ToS
U
UDLD
configuration guidelines 28-4
default configuration 28-4
disabling
globally 28-5
on fiber-optic interfaces 28-5
per interface 28-6
echoing detection mechanism 28-3
enabling
globally 28-5
per interface 28-6
Layer 2 protocol tunneling 17-10
link-detection mechanism 28-1
neighbor database 28-2
overview 28-1
resetting an interface 28-6
status, displaying 28-7
support for 1-6
UDP, configuring 36-15
unauthorized ports with IEEE 802.1x 10-7
unicast MAC address filtering 1-5
and adding static addresses 7-26
and broadcast MAC addresses 7-25
and CPU packets 7-25
and multicast addresses 7-25
and router MAC addresses 7-25
configuration guidelines 7-25
described 7-25
unicast storm 25-1
unicast storm control command 25-4
unicast traffic, blocking 25-7
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration 31-12
facilities supported 31-14
message logging configuration 31-13
unrecognized Type-Length-Value (TLV) support 14-4
upgrading information
See release notes
upgrading software images
See downloading
UplinkFast
described 20-3
disabling 20-16
enabling 20-15
support for 1-7
uploading
configuration files
preparing C-10, C-13, C-16
reasons for C-9
using FTP C-14
using RCP C-18
using TFTP C-12
image files
preparing C-22, C-25, C-30
reasons for C-20
using FTP C-28
using RCP C-33
using TFTP C-24
User Datagram Protocol
See UDP
user EXEC mode 2-2
username-based authentication 9-6
V
version-dependent transparent mode 14-4
version-mismatch (VM) mode
automatic upgrades with auto-upgrade 5-11
described 5-11
displaying 5-11
manual upgrades with auto-advise 5-12
upgrades with auto-extract 5-11
virtual IP address
cluster standby group 6-11
command switch 6-11
Virtual Private Network
See VPN
virtual router 40-1, 40-2
vlan.dat file 13-5
VLAN 1, disabling on a trunk port 13-22
VLAN 1 minimization 13-21
VLAN ACLs
See VLAN maps
vlan-assignment response, VMPS 13-28
VLAN configuration
at bootup 13-8
saving 13-8
VLAN configuration mode 2-2, 13-7
VLAN database
and startup configuration file 13-8
and VTP 14-1
VLAN configuration saved in 13-7
VLANs saved in 13-4
vlan database command 13-7
vlan dot1q tag native command 17-5
VLAN filtering and SPAN 29-7
vlan global configuration command 13-7
VLAN ID, discovering 7-27
VLAN load balancing on flex links 21-2
configuration guidelines 21-5
VLAN management domain 14-2
VLAN Management Policy Server
See VMPS
VLAN map entries, order of 33-30
VLAN maps
applying 33-34
common uses for 33-34
configuration guidelines 33-30
configuring 33-29
creating 33-31
defined 33-2
denying access to a server example 33-35
denying and permitting packets 33-31
displaying 33-41
examples of ACLs and VLAN maps 33-32
removing 33-34
support for 1-8
wiring closet configuration example 33-35
VLAN membership
confirming 13-31
modes 13-3
VLAN Query Protocol
See VQP
VLANs
adding 13-9
adding to VLAN database 13-9
aging dynamic addresses 18-10
allowed on trunk 13-21
and spanning-tree instances 13-3, 13-6, 13-13
configuration guidelines, extended-range VLANs 13-13
configuration guidelines, normal-range VLANs 13-6
configuration options 13-7
configuring 13-1
configuring IDs 1006 to 4094 13-13
connecting through SVIs 11-9
creating in config-vlan mode 13-9
creating in VLAN configuration mode 13-10
customer numbering in service-provider networks 17-3
default configuration 13-8
deleting 13-10
described 11-2, 13-1
displaying 13-16
extended-range 13-1, 13-12
features 1-7
illustrated 13-2
internal 13-13
in the switch stack 13-6
limiting source traffic with RSPAN 29-24
limiting source traffic with SPAN 29-16
modifying 13-9
multicast 24-18
native, configuring 13-23
normal-range 13-1, 13-4
number supported 1-7
parameters 13-5
port membership modes 13-3
static-access ports 13-11
STP and IEEE 802.1Q trunks 18-11
supported 13-2
Token Ring 13-6
traffic between 13-2
VLAN-bridge STP 18-11, 44-2
VTP modes 14-3
VLAN Trunking Protocol
See VTP
VLAN trunks 13-16
VMPS
administering 13-32
configuration example 13-33
configuration guidelines 13-29
default configuration 13-29
description 13-27
dynamic port membership
described 13-28
reconfirming 13-31
troubleshooting 13-33
entering server address 13-30
mapping MAC addresses to VLANs 13-28
monitoring 13-32
reconfirmation interval, changing 13-31
reconfirming membership 13-31
retry count, changing 13-32
voice-over-IP 15-1
voice VLAN
Cisco 7960 phone, port connections 15-1
configuration guidelines 15-3
configuring IP phones for data traffic
override CoS of incoming frame 15-6
trust CoS priority of incoming frame 15-6
configuring ports for voice traffic in
802.1p priority tagged frames 15-5
802.1Q frames 15-5
connecting to an IP phone 15-4
default configuration 15-3
described 15-1
displaying 15-7
IP phone data traffic, described 15-2
IP phone voice traffic, described 15-2
VPN
configuring routing in 36-69
forwarding 36-66
in service provider networks 36-64
routes 36-65
VPN routing and forwarding table
See VRF
VQP 1-7, 13-27
VRF
defining 36-66
tables 36-64
VTP
adding a client to a domain 14-14
advertisements 13-19, 14-3
and extended-range VLANs 14-2
and normal-range VLANs 14-2
client mode, configuring 14-11
configuration
global configuration mode 14-7
guidelines 14-8
privileged EXEC mode 14-7
requirements 14-9
saving 14-7
VLAN configuration mode 14-8
configuration mode options 14-7
configuration requirements 14-9
configuration revision number
guideline 14-14
resetting 14-15
configuring
client mode 14-11
server mode 14-9
transparent mode 14-12
consistency checks 14-4
default configuration 14-7
described 14-1
disabling 14-12
domain names 14-8
domains 14-2
Layer 2 protocol tunneling 17-8
modes
client 14-3, 14-11
server 14-3, 14-9
transitions 14-3
transparent 14-3, 14-12
monitoring 14-16
passwords 14-8
pruning
disabling 14-14
enabling 14-14
examples 14-5
overview 14-4
support for 1-7
pruning-eligible list, changing 13-22
server mode, configuring 14-9
statistics 14-16
support for 1-7
Token Ring support 14-4
transparent mode, configuring 14-12
using 14-1
version, guidelines 14-9
Version 1 14-4
Version 2
configuration guidelines 14-9
disabling 14-13
enabling 14-13
overview 14-4
W
WCCP
authentication 41-3
configuration guidelines 41-5
default configuration 41-5
described 41-1
displaying 41-10
dynamic service groups 41-3
enabling 41-6
features unsupported 41-5
forwarding method 41-3
Layer-2 header rewrite 41-3
MD5 security 41-3
message exchange 41-2
monitoring and maintaining 41-10
negotiation 41-3
packet redirection 41-3
packet-return method 41-3
redirecting traffic received from a client 41-6
setting the password 41-7
unsupported WCCPv2 features 41-5
web authentication
configuring10-41to 10-44
described 1-8, 10-20
fallback for IEEE 802.1x 10-43
Web Cache Communication Protocol
See WCCP
weighted tail drop
See WTD
weight thresholds in tracked lists 40-15
wireless LAN controlle A-1
wireless LAN controller A-3
wizards 1-3
WTD
described 34-13
setting thresholds
egress queue-sets 34-72
ingress queues 34-68
support for 1-10, 1-11
X
Xmodem protocol 45-2