- Index
- Preface
- Product Overview
- Command-Line Interfaces
- Configuring the Switch for the First Time
- Configuring a Supervisor Engine 32 PISA
- Configuring NSF with SSO Supervisor Engine Redundancy
- Configuring RPR Supervisor Engine Redundancy
- Configuring Interfaces
- Configuring Layer 2 Ethernet Interfaces
- Configuring Flex Links
- Configuring Layer 3 and Layer 2 EtherChannel
- Configuring VLAN Trunking Protocol (VTP)
- Configuring VLANs
- Configuring Private VLANs (PVLANs)
- Configuring Cisco IP Phone Support
- Configuring IEEE 802.1Q Tunneling
- Configuring Layer 2 Protocol Tunneling (L2PT)
- Configuring STP and MST
- Configuring STP Features
- Configuring Layer 3 Interfaces
- Configuring UDE and UDLR
- Configuring PFC3BXL and PFC3B Multiprotocol Label Switching (MPLS)
- Configuring IPv4 Multicast VPN Support
- Configuring IP Unicast Layer 3 Switching
- Configuring IPv6 Multicast Layer 3 Switching
- Configuring IPv4 Multicast Layer 3 Switching
- Configuring MLDv2 Snooping
- Configuring IGMP Snooping
- Configuring PIM Snooping
- Configuring Router-Port Group Management Protocol (RGMP)
- Configuring Network Security
- Understanding Cisco IOS ACL Support
- Configuring VLAN ACLs (VACLs)
- Configuring Denial of Service (DoS) Protection
- Configuring DHCP Snooping
- Configuring Dynamic ARP Inspection (DAI)
- Configuring Traffic-Storm Control
- Configuring Unknown Unicast and Multicast Flood Blocking
- Configuring PFC QoS
- Configuring PFC3BXL or PFC3B Mode MPLS QoS
- Configuring PFC QoS Statistics Data Export
- Configuring Network Admission Control (NAC)
- Configuring 802.1X Port-Based Authentication
- Configuring Port Security
- Configuring Cisco Discovery Protocol (CDP)
- Configuring UniDirectional Link Detection (UDLD)
- Configuring the NetFlow Table
- Configuring NetFlow Data Export (NDE)
- Configuring Local SPAN, Remote SPAN (RSPAN), and Encapsulated RSPAN
- Configuring SNMP IfIndex Persistence
- Power Management and Environmental Monitoring
- Configuring Online Diagnostics
- Configuring Top N Utility Reports
- Using the Layer 2 Traceroute Utility
- Online Diagnostic Tests
- Acronyms
Index
Numerics
4K VLANs (support for 4,096 VLANs) 12-2
802.10 SAID (default) 12-6
802.1Q
encapsulation 8-3
Layer 2 protocol tunneling
See Layer 2 protocol tunneling
mapping to ISL VLANs 12-12, 12-15
trunks 8-2
restrictions 8-5
tunneling
configuration guidelines 15-3
configuring tunnel ports 15-6
overview 15-1
802.1Q Ethertype
specifying custom 8-15
802.1X
802.3ad
802.3x Flow Control 7-13
A
abbreviating commands 2-5
access control entries and lists 30-1, 31-1, 33-1
access-enable host timeout (not supported) 31-2
access port, configuring 8-14
ACEs and ACLs 30-1, 31-1, 33-1
addresses
advertisements, VTP 11-3
aggregate policing
aging time
accelerated
for MSTP 17-46
maximum
for MSTP 17-47
aging-time
IP MLS 47-7
alarms
major 50-12
minor 50-12
Allow DHCP Option 82 on Untrusted Port
configuring 34-8
understanding 34-2
any transport over MPLS (AToM) 21-13
compatibility with previous releases of AToM 21-15
Ethernet over MPLS 21-16
ARP ACL 38-57
ARP spoofing 35-1
AToM 21-13
audience 1-xxix
authentication
See also port-based authentication
Authentication, Authorization, and Accounting
Authentication, Authorization, and Accounting (AAA) 33-1
authorized ports with 802.1X 42-4
auto-sync command 6-4
auxiliary VLAN
B
BackboneFast
backup interfaces
binding database, DHCP snooping
See DHCP snooping binding database
binding table, DHCP snooping
See DHCP snooping binding database
blocking floods 37-1
blocking state, STP 17-7
boot bootldr command 3-25
boot command 3-21
boot config command 3-25
boot system command 3-20, 3-25
boot system flash command 3-22
BPDU
RSTP format 17-15
BPDU guard
bridge groups 19-2
bridge ID
bridge priority, STP 17-33
bridge protocol data units
bridging 19-2
broadcast storms
C
cautions for passwords
encrypting 3-17
TACACS+ 3-16
CDP
configuration task lists 44-1
enabling on an interface 44-2
monitoring and maintaining 44-3
overview 44-1
cdp enable command 44-2
CEF 23-1
configuring
MSFC2 23-5
supervisor engine 23-4
examples 23-3
Layer 3 switching 23-2
packet rewrite 23-2
CEF for PFC2
CGMP 27-7
channel-group group
command example 10-8
checking
configuration, system 3-10
Cisco Discovery Protocol
Cisco Express Forwarding 21-3
Cisco Group Management Protocol
Cisco IOS Unicast Reverse Path Forwarding 30-2
CiscoView 1-2
CIST regional root
CIST root
class command 38-62
class-map command 38-53
class map configuration 38-58
clear cdp counters command 44-3
clear cdp table command 44-3
clear counters command 7-17
clear interface command 7-18
clear mls ip multicast statistics command
clears IP MMLS statistics 25-22
CLI
accessing 2-1
backing out one level 2-5
console configuration mode 2-5
getting list of commands 2-5
global configuration mode 2-5
history substitution 2-3
interface configuration mode 2-5
privileged EXEC mode 2-5
ROM monitor 2-7
software basics 2-4
command line processing 2-3
commands, getting list of 2-5
Committed Access Rate (CAR), not supported 38-2
community ports 13-3
Concurrent routing and bridging (CRB) 19-2
CONFIG_FILE environment variable
configuration file, viewing 3-26
description 3-25
config-register command 3-22
config terminal command 3-10
configuration
file, saving 3-11
register
settings at startup 3-21
configuration example
EoMPLS VLAN mode 21-17
configuration register boot field
listing value 3-23
modification tasks 3-22
configure command 3-9
configure terminal command 3-22, 7-2
configuring 38-61
global parameters
procedure 3-3
using configuration mode 3-10
console configuration mode 2-5
control plane policing
CoPP
applying QoS service policy to control plane 33-20
configuring
ACLs to match traffic 33-20
enabling MLS QoS 33-20
packet classification criteria 33-20
service-policy map 33-20
control plane configuration mode
entering 33-20
displaying
dynamic information 33-21
number of conforming bytes and packets 33-21
rate information 33-21
entering control plane configuration mode 33-20
monitoring statistics 33-21
overview 33-18
packet classification guidelines 33-21
traffic classification
defining 33-22
guidelines 33-23
overview 33-22
sample ACLs 33-24
sample classes 33-22
copy running-config startup-config command 3-11
copy system
running-config nvram
startup-config command 3-25
CoS
counters
CSCtc21076 31-4
D
debug commands
IP MMLS 25-22
DEC spanning-tree protocol 19-2
default configuration
802.1X 42-5
dynamic ARP inspection 35-5
Flex Links 9-2
IP MMLS 25-6
MSTP 17-37
supervisor engine 3-1
UDLD 45-3
voice VLAN 14-5
VTP 11-5
default NDE configuration 46-10
default VLAN 8-10
deficit weighted round robin 38-89
denial of service protection
description command 7-16
destination-ip flow mask 47-3
destination-source-ip flow mask 47-3
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption 34-4
configuration guidelines 34-6
overview 34-2
packet format, suboption
circuit ID 34-4
remote ID 34-4
remote ID suboption 34-4
DHCP option 82 allow on untrusted port 34-8
DHCP snooping
binding database
See DHCP snooping binding database
configuration guidelines 34-5, 34-6
configuring 34-7
default configuration 34-5
displaying binding tables 34-16
enabling 34-7, 34-8, 34-9, 34-11, 34-12
enabling the database agent 34-12
message exchange process 34-3
option 82 data insertion 34-2
overview 34-1
Snooping database agent 34-4
trusted interface 34-2
untrusted interface 34-2
untrusted messages 34-1
DHCP snooping binding database
described 34-2
entries 34-2
DHCP snooping binding table
See DHCP snooping binding database
DHCP Snooping Database Agent
adding to the database (example) 34-16
enabling (example) 34-13
overview 34-4
reading from a TFTP file (example) 34-14
differentiated services codepoint
DiffServ
configuring short pipe mode 39-34
configuring uniform mode 39-39
short pipe mode 39-31
uniform mode 39-32
DiffServ tunneling modes 39-4
Disabling PIM Snooping Designated Router Flooding 28-6
distributed Cisco Express Forwarding
documentation, related 1-xxix
DoS protection
monitoring packet drop statistics
using monitor session commands 33-15
using VACL capture 33-16
Supervisor Engine 2
configuration guidelines and restrictions 33-14
Supervisor Engine 720
default configurations 33-13
egress ACL bridget packet rate limiters 33-7
FIB glean rate limiters 33-8
FIB receive rate limiters 33-8
ICMP redirect rate limiters 33-9
IGMP unreachable rate limiters 33-8
ingress ACL bridget packet rate limiters 33-7
IP errors rate limiters 33-11
IPv4 multicast rate limiters 33-11
IPv6 multicast rate limiters 33-11
Layer 2 PDU rate limiters 33-10
Layer 2 protocol tunneling rate limiters 33-10
MTU failure rate limiters 33-10
multicast directyly connected rate limiters 33-11
multicast FIB miss rate limiters 33-11
multicast IGMP snooping rate limiters 33-10
network under SYN attack 33-4
QoS ACLs 33-3
security ACLs 33-2
TCP intercept 33-4
traffic storm control 33-4
TTL failure rate limiter 33-8
uRPF check 33-3
uRPF failure rate limiters 33-7
VACL log rate limiters 33-9
Supervisor Engine 720Layer 3 security features rate limiters 33-9
understanding how it works 33-2
DSCP
duplex mode
configuring interface 7-7
DWRR 38-89
dynamic ARP inspection
ARP cache poisoning 35-2
ARP requests, described 35-1
ARP spoofing attack 35-2
clearing
log buffer 35-16
statistics 35-15
configuration guidelines 35-5
configuring
logging system messages 35-13
rate limit for incoming ARP packets 35-4, 35-9
default configuration 35-5
denial-of-service attacks, preventing 35-9
described 35-1
DHCP snooping binding database 35-3
displaying
ARP ACLs 35-15
configuration and operating state 35-15
log buffer 35-16
statistics 35-15
trust state and rate limit 35-15
error-disabled state for exceeding rate limit 35-4
function of 35-2
interface trust states 35-3
log buffer
clearing 35-16
displaying 35-16
logging of dropped packets, described 35-4
logging system messages
configuring 35-13
man-in-the middle attack, described 35-2
network security issues and interface trust states 35-3
priority of ARP ACLs and DHCP snooping entries 35-4
rate limiting of ARP packets
configuring 35-9
described 35-4
error-disabled state 35-4
statistics
clearing 35-15
displaying 35-15
validation checks, performing 35-11
Dynamic Host Configuration Protocol snooping
E
Egress ACL support for remarked DSCP 38-13
egress ACL support for remarked DSCP 38-49
Embedded CiscoView 1-2
enable mode 2-5
enable sticky secure MAC address 43-8
enabling
IP MMLS
on router interfaces 25-10
encapsulation 8-3
environmental monitoring
LED indications 50-12
SNMP traps 50-12
supervisor engine and switching modules 50-12
Syslog messages 50-12
using CLI commands 50-10
environment variables
CONFIG_FILE 3-25
controlling 3-25
viewing 3-25
EoMPLS 21-14
configuring 21-16
configuring VLAN mode 21-16
guidelines and restrictions 21-14
port mode 21-16
port mode configuration guidelines 21-19
VLAN mode 21-16
erase startup-config command
configuration files cleared with 3-13
ERSPAN 48-1
EtherChannel
channel-group group
command example 10-8
configuration guidelines 10-5
configuring
Layer 2 10-7
configuring (tasks) 10-6
DFC restriction, see CSCdt27074 in the Release Notes
interface port-channel
command example 10-7
interface port-channel (command) 10-7
lacp system-priority
command example 10-10
Layer 2
configuring 10-7
load balancing
configuring 10-10
understanding 10-4
modes 10-2
PAgP
Understanding 10-3
port-channel interfaces 10-4
port-channel load-balance
command 10-10
command example 10-11
STP 10-4
switchport trunk encapsulation dot1q 10-5
understanding 10-1
EtherChannel Guard
EtherChannel Min-Links 10-11
Ethernet
setting port duplex 7-14
Ethernet over MPLS (EoMPLS) configuration
EoMPLS port mode 21-20
EoMPLS VLAN mode 21-17
examples
configuration
software configuration register3-20to 3-23
configuring global parameters 3-3
EXP mutation 39-4
extended range VLANs 12-2
extended system ID
MSTP 17-40
Extensible Authentication Protocol over LAN 42-1
F
fall-back bridging 19-2
fastethernet 7-2
fiber-optic, detecting unidirectional links 45-1
FIB TCAM 21-2
filters, NDE
destination host filter, specifying 46-17
destination TCP/UDP port, specifying 46-16
protocol 46-17
source host and destination TCP/UDP port 46-17
Flash memory
configuration process 3-24
configuring router to boot from 3-24
loading system image from 3-24
security precautions 3-24
write protection 3-24
Flex Links 9-1
configuration guidelines 9-2
configuring 9-3
default configuration 9-2
description 9-1
monitoring 9-3
flood blocking 37-1
flow control 7-13
flow masks
IP MLS
destination-ip 47-3
destination-source-ip 47-3
interface-destination-source-ip 47-3
ip-full 47-3
ip-interface-full 47-3
minimum 47-7
flows
IP MMLS
completely and partially switched 25-3
forward-delay time
MSTP 17-46
forward-delay time, STP 17-35
frame distribution
See EtherChannel load balancing
G
global configuration mode 2-5
global parameters, configuring 3-3
H
hardware Layer 3 switching
guidelines 23-4
hello time
MSTP 17-45
hello time, STP 17-34
High Capacity Power Supply Support 50-4
history
CLI 2-3
host ports
kinds of 13-3
http
//www-tac.cisco.com/Teams/ks/c3/xmlkwery.php?srId=612293409 10-6
I
ICMP unreachable messages 31-1
IEEE 802.10 SAID (default) 12-6
IEEE 802.1Q
IEEE 802.1Q Ethertype
specifying custom 8-15
IEEE 802.1w
IEEE 802.3ad
IEEE 802.3x Flow Control 7-13
IEEE bridging protocol 19-2
IGMP
configuration guidelines 26-7, 27-7
enabling 27-10
Internet Group Management Protocol 27-1
join messages 27-2
leave processing
enabling 27-12
queries 27-3
query interval
configuring 27-11
snooping
fast leave 27-5
joining multicast group 27-2
leaving multicast group 27-4
understanding 27-2
snooping querier
enabling 27-8
understanding 27-2
IGMPv3 25-9
IGMP v3lite 25-9
ignore port trust 38-9, 38-16, 38-46, 38-63
IGRP, configuring 3-7
inline power 14-3
Integrated routing and bridging (IRB) 19-2
interface
command 3-10
configuration mode 2-5
Layer 2 modes 8-4
number 7-2
parameters, configuring 3-8
interface-destination-source-ip flow mask 47-3
interface port-channel
command example 10-7
interface port-channel (command) 10-7
interfaces
configuring 7-2
configuring, duplex mode 7-7
configuring, speed 7-7
configururing, overview 7-2
descriptive name, adding 7-15
displaying information about 7-17
maintaining 7-16
monitoring 7-16
naming 7-15
range of 7-4
restarting 7-18
shutting down
task 7-18
interfaces command 7-2
interfaces range command 4-4, 4-5, 7-4
interfaces range macro command 7-5
Interior Gateway Routing Protocol
Internet Group Management Protocol
IP
static routes 3-11
IP accounting, IP MMLS and 25-8
IP addresses
assigned by BOOTP protocol 3-13
set to default 3-13
IP CEF
topology (figure) 23-3
ip flow-export destination command 46-14
ip flow-export source command 46-13, 46-15, 47-12, 52-3, 52-4
ip-full flow mask 47-3
ip http server 1-1
ip-interface-full flow mask 47-3
IP MLS
aging-time 47-7
flow masks
destination-ip 47-3
destination-source-ip 47-3
interface-destination-source-ip 47-3
ip-full 47-3
ip-interface-full 47-3
minimum 47-7
IP MMLS
cache, overview 25-2
configuration guideline 25-7
debug commands 25-22
default configuration 25-6
enabling
on router interfaces 25-10
flows
completely and partially switched 25-3
Layer 3 MLS cache 25-2
overview 25-2
packet rewrite 25-3
router
displaying interface information 25-14
enabling globally 25-9
enabling on interfaces 25-10
multicast routing table, displaying 25-16
PIM, enabling 25-9
switch
statistics, clearing 25-22
unsupported features 25-8
IP multicast
IGMP snooping and 27-9
MLDv2 snooping and 26-9
overview 27-1
IP multicast MLS
ip multicast-routing command
enabling IP multicast 25-9
IP phone
configuring 14-6
ip pim command
IP unnumbered 19-1
IPv4 Multicast over Point-to-Point GRE Tunnels 1-4
IPv4 Multicast VPN 22-1
IPv6 Multicast PFC3 and DFC3 Layer 3 Switching 24-1
IPv6 QoS 38-41
ISL encapsulation 8-3
ISL trunks 8-2
isolated port 13-3
J
join messages, IGMP 27-2
jumbo frames 7-10
K
keyboard shortcuts 2-3
L
label edge router 21-2
label switched path 21-16
label switch router 21-2, 21-3
LACP
system ID 10-4
Layer 2
configuring interfaces 8-6
access port 8-14
trunk 8-8
defaults 8-5
interface modes 8-4
show interfaces 7-12, 7-13, 8-7, 8-12
switching
understanding 8-1
trunks
understanding 8-2
VLAN
interface assignment 12-11
Layer 2 Interfaces
configuring 8-1
Layer 2 protocol tunneling
configuring Layer 2 tunnels 16-2
overview 16-1
Layer 2 remarking 38-15
Layer 2 Traceroute 53-1
Layer 2 traceroute
and ARP 53-2
and CDP 53-1
described 53-1
IP addresses and subnets 53-2
MAC addresses and VLANs 53-2
multicast traffic 53-2
multiple devices on a port 53-2
unicast traffic 53-1
usage guidelines 53-1
Layer 3
IP MMLS and MLS cache 25-2
Layer 3 switched packet rewrite
CEF 23-2
Layer 3 switching
CEF 23-2
Layer 4 port operations (ACLs) 31-6
leave processing, IGMP
enabling 27-12
leave processing, MLDv2
enabling 26-12
Link Failure
detecting unidirectional 17-24
link negotiation 7-8
link redundancy
Load Balancing 21-7
logical operation unit
loop guard
LOU
description 31-6
determining maximum number of 31-6
M
MAC address
adding to BOOTP configuration file 3-13
MAC address-based blocking 30-1
MAC move (port security) 43-2
main-cpu command 6-4
mapping 802.1Q VLANs to ISL VLANs 12-12, 12-15
markdown
maximum aging time
MSTP 17-47
maximum aging time, STP 17-35
maximum hop count, MSTP 17-47
microflow policing rule
Min-Links 10-11
MLD
report 26-4
MLD snooping
query interval
configuring 26-11
MLDv2 26-1
enabling 26-9
leave processing
enabling 26-12
queries 26-4
snooping
fast leave 26-6
joining multicast group 26-4
leaving multicast group 26-6
understanding 26-1
snooping querier
enabling 26-8
understanding 26-1
MLDv2 Snooping 26-1
MLS
configuring threshold 25-11
MSFC
threshold 25-11
mls aging command
configuring IP MLS 47-8
mls flow command
configuring IP MLS 46-12, 47-7, 47-9
mls ip multicast command
enabling IP MMLS 25-10, 25-11, 25-12, 25-13, 25-18, 25-19
mls nde flow command
configuring a host and port filter 46-17
configuring a host flow filter 46-17
configuring a port filter 46-16
configuring a protocol flow filter 46-17
mls nde sender command 46-11
monitoring
Flex Links 9-3
private VLANs 13-17
MPLS 21-2
aggregate label 21-2
any transport over MPLS 21-13
basic configuration 21-8
core 21-3
DiffServ Tunneling Modes 39-31
egress 21-3
experimental field 39-3
guidelines and restrictions 21-7
ingress 21-3
IP to MPLS path 21-3
labels 21-2
Layer 2 VPN load balancing 21-8
MPLS to IP path 21-3
MPLS to MPLS path 21-3
nonaggregate lable 21-2
QoS default configuration 39-15
VPN 39-12
VPN guidelines and restrictions 21-11
mpls l2 transport route command 21-15
MPLS QoS
Classification 39-2
Class of Service 39-2
commands 39-16
configuring a class map 39-20
configuring a policy map 39-23
configuring egress EXP mutation 39-28
configuring EXP Value Maps 39-30
Differentiated Services Code Point 39-2
displaying a policy map 39-27
E-LSP 39-2
enabling QoS globally 39-18
EXP bits 39-2
features 39-3
IP Precedence 39-2
QoS Tags 39-2
queueing-only mode 39-19
MPLS QoS configuration
class map to classify MPLS packets 39-20
MPLS VPN
limitations and restrictions 21-11
MQC 38-1
not supported
CAR 38-2
queuing 38-2
supported
policy maps 38-3
MSTP
boundary ports
configuration guidelines 17-38
described 17-22
CIST, described 17-19
CIST root 17-21
configuration guidelines 17-38
configuring
forward-delay time 17-46
hello time 17-45
link type for rapid convergence 17-47
maximum aging time 17-47
maximum hop count 17-47
MST region 17-38
neighbor type 17-48
path cost 17-43
port priority 17-42
root switch 17-40
secondary root switch 17-41
switch priority 17-44
CST
defined 17-19
operations between regions 17-20
default configuration 17-37
displaying status 17-49
enabling the mode 17-38
extended system ID
effects on root switch 17-40
effects on secondary root switch 17-41
unexpected behavior 17-40
IEEE 802.1s
implementation 17-23
port role naming change 17-23
terminology 17-21
interoperability with IEEE 802.1D
described 17-25
restarting migration process 17-49
IST
defined 17-19
master 17-20
operations within a region 17-20
mapping VLANs to MST instance 17-39
MST region
CIST 17-19
configuring 17-38
described 17-18
hop-count mechanism 17-22
IST 17-19
supported spanning-tree instances 17-19
overview 17-17
root switch
configuring 17-40
effects of extended system ID 17-40
unexpected behavior 17-40
status, displaying 17-49
MTU size (default) 12-6
multicast
IGMP snooping and 27-9
MLDv2 snooping and 26-9
NetFlow statistics 46-10
non-RPF 25-5
overview 27-1
PIM snooping 28-4
RGMP 29-1
multicast, displaying routing table 25-16
multicast flood blocking 37-1
multicast groups
joining 27-2
multicast groups, IPv6
joining 26-4
Multicast Listener Discovery version 2
multicast multilayer switching
multicast RPF 25-2
multicast storms
Multilayer MAC ACL QoS Filtering 38-54
multilayer switch feature card
multiple path RPF check 30-2
N
NAC
non-responsive hosts 41-5
native VLAN 8-10
NDE
configuration, displaying 46-18
displaying configuration 46-18
enabling 46-10
filters
destination host, specifying 46-17
destination TCP/UDP port, specifying 46-16
protocol, specifying 46-17
source host and destination TCP/UDP port, specifying 46-17
multicast 46-10
specifying
destination host filters 46-17
destination TCP/UDP port filters 46-17
protocol filters 46-17
NDE configuration, default 46-10
NDE version 8 46-3
Netflow Multiple Export Destinations 46-14
NetFlow version 9 46-3
Network Admission Control
Network Admission Control (NAC) 41-1
network management
configuring 44-1
non-RPF multicast 25-5
Nonstop Forwarding
nonvolatile random-access memory
normal-range VLANs
NSF 5-1
NSF with SSO does not support IPv6 multicast traffic. 5-1
NVRAM
saving settings 3-11
O
OIR 7-16
online diagnostics
configuring 51-2
memory tests 51-10
overview 51-1
running tests 51-6
schedule switchover 51-10
test descriptions A-1
understanding 51-1
online diagnostic tests A-1
online insertion and removal
operating system image
out of profile
P
packet burst 33-7
packet recirculation 38-13
packet rewrite
CEF 23-2
IP MMLS and 25-3
packets
multicast 32-4
PAgP
understanding 10-3
passwords
configuring
enable password 3-15
enable secret 3-15
line password 3-15
static enable password 3-14
TACACS+ 3-16
TACACS+ (caution) 3-16
encrypting 3-16
(caution) 3-17
recovering lost enable passwords 3-18
path cost
MSTP 17-43
PFC2
NetFlow
table, displaying entries 23-5
PFC3BXL
hardware features 21-4
MPLS guidelines and restrictions 21-7
MPLS label switching 21-1
MPLS supported commands 21-7
recirculation 21-4
supported Cisco IOS features 21-5
VPN supported commands 21-11
VPN switching 21-9
PIM, IP MMLS and 25-9
PIM snooping
designated router flooding 28-6
enabling globally 28-5
enabling in a VLAN 28-5
overview 28-4
PISA EtherChannel 4-3
PoE
Cisco Prestandard Inline Power 14-3, 14-5
police command 38-64
policing
policy 38-53
policy-based routing
policy enforcement 41-5
policy map 38-61
attaching to an interface 38-67
policy-map command 38-53, 38-61
Port Aggregation Protocol
port-based authentication
authentication server
defined 42-2
client, defined 42-2
configuration guidelines 42-6
configuring
initializing authentication of a client 42-11
manual reauthentication of a client 42-11
quiet period 42-11
RADIUS server 42-10
RADIUS server parameters on the switch 42-8
switch-to-authentication-server retransmission time 42-13
switch-to-client EAP-request frame retransmission time 42-13
switch-to-client frame-retransmission number 42-14
switch-to-client retransmission time 42-12
default configuration 42-5
described 42-1
device roles 42-2
displaying statistics 42-15
EAPOL-start frame 42-3
EAP-request/identity frame 42-3
EAP-response/identity frame 42-3
enabling
802.1X authentication 42-7, 42-8
periodic reauthentication 42-10
encapsulation 42-2
initiation and message exchange 42-3
method lists 42-7
ports
authorization state and dot1x port-control command 42-4
authorized and unauthorized 42-4
resetting to default values 42-15
switch
as proxy 42-2
RADIUS client 42-2
topologies, supported 42-4
port-based QoS features
port channel
switchport trunk encapsulation dot1q 10-5
port-channel
port-channel load-balance
command 10-10
port cost, STP 17-32
port debounce timer
disabling 7-14
displaying 7-14
enabling 7-14
PortFast
PortFast BPDU filtering
See STP PortFast BPDU filtering
port mode 21-16
port negotiation 7-8
port priority
MSTP 17-42
port priority, STP 17-30
ports
setting the debounce timer 7-14
port security
configuring 43-4
default configuration 43-3
described 43-1
displaying 43-11
enable sticky secure MAC address 43-8
sticky MAC address 43-2
violations 43-2
Port Security is supported on trunks 43-3, 43-4, 43-7, 43-9
port security MAC move 43-2
port security on PVLAN ports 43-3
Port Security with Sticky Secure MAC Addresses 43-2
power management
enabling/disabling redundancy 50-2
inline power 14-4
overview 50-1
powering modules up or down 50-3
system power requirements, nine-slot chassis 50-5
primary links 9-1
primary VLANs 13-2
priority
private VLANs 13-1
across multiple switches 13-5
and SVIs 13-6
benefits of 13-2
configuration guidelines 13-7, 13-9, 13-11
configuring 13-11
host ports 13-14
pomiscuous ports 13-15
routing secondary VLAN ingress traffic 13-13
secondary VLANs with primary VLANs 13-12
VLANs as private 13-11
end station access to 13-4
IP addressing 13-4
monitoring 13-17
ports
community 13-3
configuration guidelines 13-9
isolated 13-3
promiscuous 13-3
primary VLANs 13-2
secondary VLANs 13-2
subdomains 13-2
traffic in 13-6
privileged EXEC mode 2-5
privileges
changing default 3-17
configuring
multiple levels 3-17
privilege level 3-17
exiting 3-18
logging in 3-18
procedures
global parameters, configuring3-3to 3-8
interfaces, configuring3-8to 3-9
using configuration mode 3-10
promiscuous ports 13-3
protocol tunneling
See Layer 2 protocol tunneling 16-1
pruning, VTP
PVLANs
PVRST
See Rapid-PVST 17-17
Q
QoS
IPv6 38-41
QoS classification (definition) 38-102
QoS congestion avoidance
definition 38-103
QoS CoS
and ToS final L3 Switching Engine values 38-12
and ToS final values from L3 Switching Engine 38-12
definition 38-102
port value, configuring 38-78
QoS default configuration 38-93, 40-2
QoS DSCP
definition 38-103
internal values 38-10
maps, configuring 38-73
QoS dual transmit queue
thresholds
QoS Ethernet egress port
scheduling 38-93
scheduling, congestion avoidance, and marking 38-12
QoS Ethernet ingress port
classification, marking, scheduling, and congestion avoidance 38-6
QoS final L3 Switching Engine CoS and ToS values 38-12
QoS internal DSCP values 38-10
QoS L3 Switching Engine
classification, marking, and policing 38-9
feature summary 38-15
QoS labels (definition) 38-103
QoS mapping
CoS values to DSCP values 38-70, 38-73
DSCP markdown values 38-26, 38-74, 39-16
DSCP values to CoS values 38-76
IP precedence values to DSCP values 38-74
QoS markdown 38-19
QoS marking
definition 38-103
trusted ports 38-14
untrusted ports 38-14
QoS MSFC
marking 38-16
QoS multilayer switch feature card 38-16
QoS out of profile 38-19
QoS policing
definition 38-103
microflow, enabling for nonrouted traffic 38-48
QoS policing rule
aggregate 38-17
creating 38-52
microflow 38-17
QoS port
trust state 38-77
QoS port-based or VLAN-based 38-48
QoS queues
transmit, allocating bandwidth between 38-89
drop thresholds 38-21
QoS scheduling (definition) 38-103
QoS single-receive, dual-transmit queue ports
configuring 38-84
QoS statistics data export 40-1
configuring 40-2
configuring destination host 40-7
configuring time interval 40-6, 40-9
QoS ToS
and CoS final values from L3 Switching Engine 38-12
definition 38-103
QoS traffic flow through QoS features 38-4
QoS transmit queue
QoS transmit queues 38-22, 38-85, 38-86
QoS trust-cos
port keyword 38-14
QoS trust-dscp
port keyword 38-14
QoS trust-ipprec
port keyword 38-14
QoS untrusted port keyword 38-14
QoS VLAN-based or port-based 38-11, 38-48
queries, IGMP 27-3
queries, MLDv2 26-4
R
range
macro 7-5
of interfaces 7-4
rapid convergence 17-13
Rapid-PVST
enabling 17-36
overview 17-17
Rapid Spanning Tree
Rapid Spanning Tree Protocol
receive queues
reduced MAC address 17-2
redundancy (NSF) 5-1
configuring
BGP 5-13
CEF 5-12
EIGRP 5-18
IS-IS 5-15
OSPF 5-14
configuring multicast NSF with SSO 5-11
configuring supervisor engine 5-9
routing protocols 5-4
redundancy (RPR) 6-1
configuring 6-4
configuring supervisor engine 6-3
displaying supervisor engine configuration 6-5
redundancy command 6-4
redundancy (SSO)
redundancy command 5-11
related documentation 1-xxix
Remote source-route bridging (RSRB) 19-2
report, MLD 26-4
reserved-range VLANs
rewrite, packet
CEF 23-2
IP MMLS 25-3
RGMP 29-1
overview 29-1
packet types 29-2
RIF cache monitoring 7-17
rommon command 3-23
ROM monitor
boot process and 3-19
CLI 2-7
root bridge, STP 17-28
root guard
root switch
MSTP 17-40
route processor redundancy
router-port group management protocol
routing table, multicast 25-16
RPF
failure 25-5
multicast 25-2
non-RPF multicast 25-5
unicast 30-2
RPR
RSTP
active topology 17-12
BPDU
format 17-15
processing 17-16
designated port, defined 17-12
designated switch, defined 17-12
interoperability with IEEE 802.1D
described 17-25
restarting migration process 17-49
topology changes 17-17
overview 17-12
port roles
described 17-12
synchronized 17-14
proposal-agreement handshake process 17-13
rapid convergence
described 17-13
edge ports and Port Fast 17-13
point-to-point links 17-13, 17-47
root ports 17-13
root port, defined 17-12
S
SAID 12-6
sample configuration3-2to 3-10
Sampled NetFlow
description 46-8
saving the configuration file 3-11
scheduling
secondary VLANs 13-2
Secure MAC Address Aging Type 43-10
security
security, port 43-1
security precautions with Flash memory card 3-24
serial interfaces
clearing 7-18
synchronous
maintaining 7-18
service-policy command 38-53
service-policy input command 38-49, 38-67, 38-70, 38-72, 39-29
service-provider network, MSTP and RSTP 17-18
set power redundancy enable/disable command 50-2
setup command 3-2
shaped round robin 38-89
short pipe mode
configuring 39-34
show boot command 3-25
show catalyst6000 chassis-mac-address command 17-3
show cdp entry command 44-3
show cdp interface command 44-3
show cdp neighbors command 44-3
show cdp traffic command 44-3
show ciscoview package command 1-3
show ciscoview version command 1-3
show configuration command 7-15
show debugging command 44-3
show eobc command 7-17
show hardware command 7-3
show history command 2-4
show ibc command 7-17
show interfaces command 7-3, 7-12, 7-13, 7-15, 7-17, 8-7, 8-12
clearing interface counters 7-17
displaying, interface type numbers 7-3
displaying, speed and duplex mode 7-9
show ip flow export command
displaying NDE export flow IP address and UDP port 46-15
show ip interface command
displaying IP MMLS interfaces 25-14
show ip mroute command
displaying IP multicast routing table 25-16
show ip pim interface command
displaying IP MMLS router configuration 25-14
show mls aging command 47-8
show mls entry command 23-5
show mls ip multicast group command
displaying IP MMLS group 25-17, 25-20
show mls ip multicast interface command
displaying IP MMLS interface 25-17, 25-20
show mls ip multicast source command
displaying IP MMLS source 25-17, 25-20
show mls ip multicast statistics command
displaying IP MMLS statistics 25-17, 25-20
show mls ip multicast summary
displaying IP MMLS configuration 25-17, 25-20
show mls nde command 46-18
displaying NDE flow IP address 46-15
show mls rp command
displaying IP MLS configuration 47-7
show module command 6-5
show protocols command 7-17
show rif command 7-17
show running-config command 3-10, 7-15, 7-17
show startup-config command 3-11
show version command 3-9, 3-22, 3-23, 7-17
shutdown command 7-18
shutdown interfaces
result 7-18
slot number, description 7-2
SNMP
support and documentation 1-1
snooping
software configuration register functions3-20to 3-23
source-only-ip flow mask 47-3
source specific multicast with IGMPv3, IGMP v3lite, and URD 25-9
SPAN
configuration guidelines 48-6
configuring 48-11
sources 48-12, 48-14, 48-15, 48-16, 48-18
VLAN filtering 48-20
overview 48-1
SPAN Destination Port Permit Lists 48-11
spanning-tree backbonefast
spanning-tree cost
command 17-32
spanning-tree portfast
command example 18-8
spanning-tree portfast bpdu-guard
command 18-11
spanning-tree port-priority
spanning-tree protocol for bridging 19-2
spanning-tree uplinkfast
command 18-12
spanning-tree vlan
command 17-27, 17-29, 17-30, 18-14
command example 17-27, 17-29, 17-30
spanning-tree vlan cost
command 17-32
spanning-tree vlan forward-time
command 17-35
command example 17-35
spanning-tree vlan hello-time
command 17-34
command example 17-34
spanning-tree vlan max-age
command 17-35
command example 17-36
spanning-tree vlan port-priority
command 17-30
command example 17-31
spanning-tree vlan priority
command 17-33
command example 17-34
speed
configuring interface 7-7
SRR 38-89
standby link 9-1
standby links 9-1
static route, configuring 3-11
statistics
802.1X 42-15
Sticky ARP 33-25
sticky ARP 33-25
sticky MAC address 43-2
Sticky secure MAC addresses 43-8, 43-9
storm control
STP
configuring 17-25
bridge priority 17-33
forward-delay time 17-35
hello time 17-34
maximum aging time 17-35
port cost 17-32
port priority 17-30
root bridge 17-28
secondary root switch 17-29
defaults 17-26
EtherChannel 10-4
understanding 17-1
802.1Q Trunks 17-11
Blocking State 17-7
BPDUs 17-3
disabled state 17-10
forwarding state 17-9
learning state 17-8
listening state 17-7
overview 17-2
port states 17-5
protocol timers 17-4
root bridge election 17-4
topology 17-4
STP BackboneFast
configuring 18-13
figure
adding a switch 18-7
spanning-tree backbonefast
understanding 18-4
STP BPDU Guard
configuring 18-11
spanning-tree portfast bpdu-guard
command 18-11
understanding 18-2
STP bridge ID 17-2
STP EtherChannel guard 18-6
STP loop guard
configuring 18-15
overview 18-6
STP PortFast
BPDU filter
configuring 18-10
BPDU filtering 18-2
configuring 18-8
spanning-tree portfast
command example 18-8
understanding 18-2
STP UplinkFast
configuring 18-12
spanning-tree uplinkfast
command 18-12
understanding 18-3
subdomains, private VLAN 13-2
supervisor engine
configuring 3-1
default configuration 3-1
environmental monitoring 50-10
ROM monitor 3-19
startup configuration 3-19
static routes 3-11
synchronizing configurations 5-19, 6-5
Supervisor Engine 32 4-1
supervisor engine redundancy
supervisor engines
displaying redundancy configuration 6-5
Switched Port Analyzer
switchport
configuring 8-14
example 8-13
show interfaces 7-12, 7-13, 8-7, 8-12
switchport access vlan 8-10, 8-14
example 8-14
switchport mode access 8-4, 8-14
example 8-14
switchport mode dynamic 8-9
switchport mode dynamic auto 8-4
switchport mode dynamic desirable 8-4
default 8-5
example 8-13
switchport mode trunk 8-4, 8-9
switchport nonegotiate 8-4
switchport trunk allowed vlan 8-11
switchport trunk encapsulation 8-8
switchport trunk encapsulation dot1q 8-3
example 8-13
switchport trunk encapsulation isl 8-3
switchport trunk encapsulation negotiate 8-3
default 8-5
switchport trunk native vlan 8-10
switchport trunk pruning vlan 8-12
switch priority
MSTP 17-44
switch TopN reports
foreground execution 52-2
running 52-2
viewing 52-2
system
configuration register
settings at startup 3-21
configuring global parameters3-3to 3-8
System Hardware Capacity 50-5
system image
determining if and how to load 3-21
loading from Flash 3-24
specifying the startup 3-23
T
TCP Intercept 30-2
TDR
checking cable connectivity 7-19
enabling and disabling test 7-19
guidelines 7-19
Telnet
accessing CLI 2-2
Time Domain Reflectometer
traceroute, Layer 2
and ARP 53-2
and CDP 53-1
described 53-1
IP addresses and subnets 53-2
MAC addresses and VLANs 53-2
multicast traffic 53-2
multiple devices on a port 53-2
unicast traffic 53-1
usage guidelines 53-1
traffic flood blocking 37-1
traffic-storm control
command
broadcast 36-3
described 36-1
monitoring 36-5
thresholds 36-1
traffic suppression
translational bridge numbers (defaults) 12-6
transmit queues
trunks 8-2
802.1Q Restrictions 8-5
allowed VLANs 8-11
configuring 8-8
default interface configuration 8-7
default VLAN 8-10
different VTP domains 8-3
encapsulation 8-3
native VLAN 8-10
to non-DTP device 8-4
VLAN 1 minimization 8-11
trust-dscp
trust-ipprec
tunneling, 802.1Q
See 802.1Q 15-1
U
UDE 20-1
configuration 20-3
overview 20-2
UDE and UDLR 20-1
UDLD
default configuration 45-3
enabling
globally 45-3
on ports 45-4
overview 45-1
UDLR 20-1
back channel 20-1
configuration 20-6
tunnel
(example) 20-7
ARP and NHRP 20-3
UDLR (unidirectional link routing)
UMFB 37-1
unauthorized ports with 802.1X 42-4
Unicast and Multicast Flood Blocking 37-1
unicast flood blocking 37-1
unicast RPF 30-2
unicast storms
Unidirectional Ethernet
unidirectional ethernet
example of setting 20-5
UniDirectional Link Detection Protocol
uniform mode
configuring 39-39
unknown multicast flood blocking
unknown unicast flood blocking
untrusted
upgrade guidelines 21-15
UplinkFast
URD 25-9
User-Based Rate Limiting 38-18, 38-65
user EXEC mode 2-5
UUFB 37-1
V
VACLs 32-1
configuring 32-4
examples 32-9
Layer 3 VLAN interfaces 32-8
Layer 4 port operations 31-5
logging
configuration example 32-11
configuring 32-11
restrictions 32-11
MAC address based 32-5
multicast packets 32-4
overview 32-1
SVIs 32-8
WAN interfaces 32-1
virtual LAN
vlan
command 12-10, 12-12, 46-12, 46-13, 48-13
command example 12-11
VLAN-based QoS filtering 38-55
VLAN-bridge spanning-tree protocol 19-2
vlan database
command 12-10, 12-12, 46-12, 46-13, 48-13
example 12-11
vlan mapping dot1q
command example 12-16
VLAN mode 21-16
VLANs
allowed on trunk 8-11
configuration guidelines 12-8
configuration options
global configuration mode 12-9
VLAN database mode 12-9
configuring 12-1
configuring (tasks) 12-9
defaults 12-6
extended range 12-2
ID (default) 12-6
interface assignment 12-11
name (default) 12-6
normal range 12-2
private
reserved range 12-2
support for 4,096 VLANs 12-2
token ring 12-3
trunks
understanding 8-2
understanding 12-1
VLAN 1 minimization 8-11
VTP domain 12-3
VLAN translation
command example 12-15
VLAN Trunking Protocol
voice VLAN
Cisco 7960 phone, port connections 14-1
configuration guidelines 14-6
configuring IP phone for data traffic
override CoS of incoming frame 14-8, 14-9
configuring ports for voice traffic in
802.1Q frames 14-7
connecting to an IP phone 14-6
default configuration 14-5
overview 14-1
VPN
configuration example 21-12
guidelines and restrictions 21-11
VTP
advertisements 11-3
client, configuring 11-8
configuration guidelines 11-5
default configuration 11-5
disabling 11-8
domains 11-2
VLANs 12-3
modes
client 11-2
server 11-2
transparent 11-2
monitoring 11-10
overview 11-1
pruning
configuration 8-12
configuring 11-7
overview 11-3
server, configuring 11-8
statistics 11-10
transparent mode, configuring 11-8
version 2
enabling 11-7
overview 11-3
W
web browser interface 1-1
weighted round robin 38-89
wireless access point
inline power 14-4
WRR 38-89
X
xconnect command 21-15