Examples
The following is sample output from the
show route
command when entered without an address:
RP/0/RP0/CPU0:router# show route
Codes: C - connected, S - static, R - RIP, B - BGP
O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, su - IS-IS summary null, * - candidate default
U - per-user static route, o - ODR, L - local, G - DAGR
A - access/subscriber, (!) - FRR Backup path
Gateway of last resort is 1.0.0.1 to network 0.0.0.0
S* 0.0.0.0/0 [1/0] via 1.0.0.1, 13:14:59
C 1.0.0.0/16 is directly connected, 13:14:59, MgmtEth0/5/CPU0/0
L 1.0.14.15/32 is directly connected, 13:14:59, MgmtEth0/5/CPU0/0
C 3.2.3.0/24 is directly connected, 00:04:39, HundredGigE 0/3/0/0
L 3.2.3.2/32 is directly connected, 00:04:39, HundredGigE 0/3/0/0
O E2 5.2.5.0/24 [110/20] via 3.3.3.1, 00:04:20, HundredGigE 0/3/0/0
O E2 6.2.6.0/24 [110/20] via 3.3.3.1, 00:04:20, HundredGigE 0/3/0/0
C 7.2.7.0/24 is directly connected, 00:04:20, HundredGigE 0/3/0/7
L 7.2.7.2/32 is directly connected, 00:04:20, HundredGigE 0/3/0/7
O E2 8.2.8.0/24 [110/20] via 3.3.3.1, 00:04:20, HundredGigE 0/3/0/0
C 10.3.0.0/16 is directly connected, 13:14:59, HundredGigE 0/0/0/0
L 10.3.0.2/32 is directly connected, 13:14:59, HundredGigE 0/0/0/0
This table describes the significant fields shown in the display.
Table 11. show route Field Descriptions
|
Field
|
Description
|
|
S*
|
Code indicating how the route was derived. See the code legend preceding the output. In this case, the route was derived from
a static (candidate default).
|
|
[1/0]
|
First number in the brackets is the administrative distance of the information source; the second number is the metric for
the route.
|
|
1.0.0.0/16
|
Address and prefix length of the remote network.
|
|
MgmtEthernet 0/5/CPU0/0
|
Specifies the interface through which the specified network can be reached.
|
|
C
|
Code indicating how the route was derived. See the code legend preceding the output. In this case, the route was connected.
|
|
L
|
Code indicating how the route was derived. See the code legend preceding the output. In this case, the route was local.
|
|
O
|
Code indicating how the route was derived. See the code legend preceding the output. In this case, the route was on-demand
routing (ODR).
|
|
E2
|
Code indicating how the route was derived. See the code legend preceding the output. In this case, the route was OSPF external
type 2.
|
|
8.2.8.0/24
|
Address and prefix length of the remote network connected to the static route.
|
|
via 3.3.3.1
|
Specifies the address of the next router to the remote network.
|
|
13:14:59
|
Specifies the last time the route was updated.
|
|
(!)
|
Code indicating fast re-route (FRR) backup path information.
|
When you specify that you want information about a particular network, more detailed statistics are displayed. The following
is sample output from the
show route
command when entered with an IP address:
RP/0/RP0/CPU0:router# show route 10.0.0.0
Routing entry for 10.0.0.0/16
Known via "connected", distance 0, metric 0 (connected)
Installed Mar 22 22:10:20.906
Routing Descriptor Blocks
directly connected, via HundredGigE 0/0/0/0
Route metric is 0
No advertising protos.
Intermediate System-to-Intermediate System (IS-IS) includes an IP address typed length value (TLV) in its link-state packet
(LSP) that helps identify the node injecting the route into the network. The IS-IS node uses one of its own interface addresses
in this TLV. A loopback address is preferred among interfaces configured under IS-IS. When other networking devices calculate
IP routes, they can store the IP address as the originator address with each route in the routing table.
The following example shows the output from the
show route
command for a specific IP address on a router configured with IS-IS. Each path that is shown under the Routing Descriptor
Blocks report displays two IP addresses. The first address (10.0.0.9) is the next-hop address; the second is the originator
IP address from the advertising IS-IS router.
RP/0/RP0/CPU0:router# show route 10.0.0.1
Routing entry for 10.0.0.0/8
Known via "isis", distance 115, metric 10, type level-2
Installed Jan 22 09:26:56.210
Routing Descriptor Blocks:
* 10.0.0.9, from 10.0.0.9, via HundredGigE 2/1
Route metric is 10
No advertising protos.
This table describes the significant fields shown in the display.
Table 12. show route with IP Address Field Descriptions
|
Field
|
Description
|
|
Routing entry for
|
Network address and mask.
|
|
Known via
|
Indicates how the route was derived.
|
|
distance
|
Administrative distance of the information source.
|
|
metric
|
Route value assigned by the routing protocol.
|
|
type
|
IS-IS type level.
|
|
Routing Descriptor Blocks:
|
Displays the next-hop IP address followed by the information source.
|
|
from ... via ...
|
First address is the next-hop IP address, and the other is the information source. This report is followed by the interface
for this route.
|
|
Route metric
|
Best metric for this Routing Descriptor Block.
|
|
No advertising protos.
|
Indicates that no other protocols are advertising the route to their redistribution consumers. If the route is being advertised,
protocols are listed in the following manner:
Redist Advertisers:
isis p
ospf 43
|
The following example illustrates the
show route
command with the
topology
topo-name
keyword and argument specified:
RP/0/RP0/CPU0:router# show route ipv4 multicast topology green
Codes: C - connected, S - static, R - RIP, B - BGP
O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, su - IS-IS summary null, * - candidate default
U - per-user static route, o - ODR, L - local, G - DAGR
A - access/subscriber, (!) - FRR Backup path
Gateway of last resort is not set
i L1 10.1.102.0/24 [115/20] via 10.1.102.41, 1w4d, HundredGigE 0/1/0/0.1
i L1 10.3.3.0/24 [115/20] via 10.1.102.41, 1w4d, HundredGigE 0/1/0/0.1
i L1 192.168.0.40/32 [115/20] via 10.1.102.41, 1w4d, HundredGigE 0/1/0/0.1
This example is a sample show route summary command output that displays fast-reroute (FRR) Backup path information. The FRR Backup paths are indicated with a (!).
RP/0/RP0/CPU0:router#show route summary
Codes: C - connected, S - static, R - RIP, B - BGP
O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, su - IS-IS summary null, * - candidate default
U - per-user static route, o - ODR, L - local, G - DAGR
A - access/subscriber, (!) - FRR Backup path
Gateway of last resort is not set
B 1.2.3.4/32 [200/0] via 10.10.1.3, 00:01:40
C 2.0.0.0/30 is directly connected, 03:28:47, ServiceApp40
L 2.0.0.1/32 is directly connected, 03:28:47, ServiceApp40
C 2.0.1.0/30 is directly connected, 03:13:05, ServiceApp43
L 2.0.1.1/32 is directly connected, 03:13:05, ServiceApp43
C 2.4.1.0/24 is directly connected, 03:11:35, HundredGigE 0/4/0/0
L 2.4.1.2/32 is directly connected, 03:11:35, HundredGigE 0/4/0/0
C 3.1.0.0/30 is directly connected, 03:33:48, ServiceInfra1
L 3.1.0.2/32 is directly connected, 03:33:48, ServiceInfra1
C 3.1.3.0/30 is directly connected, 03:18:14, ServiceInfra2
L 3.1.3.2/32 is directly connected, 03:18:14, ServiceInfra2
C 5.3.0.0/16 is directly connected, 03:58:29, MgmtEth0/RP0/CPU0/0
is directly connected, 03:58:29, MgmtEth0/RP1/CPU0/0
L 5.3.16.10/32 is directly connected, 03:59:07, MgmtEth0/RP1/CPU0/0
L 5.3.16.12/32 [0/0] via 5.3.16.12, 03:58:29, MgmtEth0/RP0/CPU0/0
L 5.3.16.16/32 is directly connected, 03:58:29, MgmtEth0/RP0/CPU0/0
B 5.4.0.0/16 [200/0] via 10.1.1.10, 00:01:36
S 5.10.0.0/16 [1/0] via 5.3.0.1, 03:59:07
O 10.1.1.3/32 [110/11] via 40.1.10.1, 00:00:17, Bundle-Ether10
[110/11] via 200.40.1.101, 00:00:17, Bundle-Ether1.1
[110/0] via 100.100.2.1, 00:00:17, HundredGigE 0/2/0/3.1 (!)
L 10.1.1.6/32 is directly connected, 03:58:29, Loopback0
O 10.1.1.9/32 [110/22] via 40.1.10.1, 00:00:17, Bundle-Ether10
[110/22] via 200.40.1.101, 00:00:17, Bundle-Ether1.1
[110/0] via 100.100.2.1, 00:00:17, HundredGigE 0/2/0/3.1 (!)
O 10.1.1.10/32 [110/111] via 40.1.10.1, 00:00:17, Bundle-Ether10
[110/111] via 200.40.1.101, 00:00:17, Bundle-Ether1.1
[110/0] via 100.100.2.1, 00:00:17, HundredGigE 0/2/0/3.1 (!)
O 10.1.1.11/32 [110/0] via 40.1.1.1, 00:01:33, Bundle-Ether1 (!)
[110/101] via 40.3.3.2, 00:01:33, HundredGigE 0/5/0/9
O 10.1.1.12/32 [110/111] via 40.1.10.1, 00:00:17, Bundle-Ether10
[110/111] via 200.40.1.101, 00:00:17, Bundle-Ether1.1
[110/0] via 100.100.2.1, 00:00:17, HundredGigE 0/2/0/3.1 (!)
O 10.1.1.16/32 [110/21] via 40.1.10.1, 00:00:17, Bundle-Ether10
[110/21] via 200.40.1.101, 00:00:17, Bundle-Ether1.1
[110/0] via 100.100.2.1, 00:00:17, HundredGigE 0/2/0/3.1 (!)
This example is a sample show route detail command output that displays path ID and backup-path ID information:
RP/0/RP0/CPU0:router#show route 10.1.1.3 detail
Routing entry for 10.1.1.16/32
Known via "ospf 2", distance 110, metric 21, type intra area
Installed Oct 28 16:07:05.752 for 00:01:56
Routing Descriptor Blocks
40.1.10.1, from 10.1.1.16, via Bundle-Ether10, Protected
Route metric is 21
Label: None
Tunnel ID: None
Extended communities count: 0
Path id:2 Path ref count:0
Backup path id:33
200.40.1.101, from 10.1.1.16, via Bundle-Ether1.1, Protected
Route metric is 21
Label: None
Tunnel ID: None
Extended communities count: 0
Path id:1 Path ref count:0
Backup path id:33
100.100.2.1, from 10.1.1.16, via HundredGigE 0/2/0/3.1, Backup
Route metric is 0
Label: None
Tunnel ID: None
Extended communities count: 0
Path id:33 Path ref count:2
Route version is 0xe (14)
No local label
IP Precedence: Not Set
QoS Group ID: Not Set
Route Priority: RIB_PRIORITY_NON_RECURSIVE_LOW (6) SVD Type RIB_SVD_TYPE_LOCAL
No advertising protos.
This example is a sample show route ipv6 command output:
RP/0/RP0/CPU0:router#show route ipv6
Fri May 18 14:00:10.996 EDT
Codes: C - connected, S - static, R - RIP, B - BGP
O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, su - IS-IS summary null, * - candidate default
U - per-user static route, o - ODR, L - local, G - DAGR
A - access/subscriber, (!) - FRR Backup path
Gateway of last resort is not set
C 1111:2222::abcd/128 is directly connected,
06:20:02, HundredGigE 0/0/0/4
This example is a sample show route ipv6 detail command output:
RP/0/RP0/CPU0:router#show route ipv6 1111:2222::abcd/128 detail
Fri May 18 14:00:20.798 EDT
Routing entry for 1111:2222::abcd/128
Known via "connected l2tpv3_xconnect", distance 0, metric 0 (connected)
Installed May 18 07:40:08.522 for 06:20:12
Routing Descriptor Blocks
1111:2222::abcd directly connected, via HundredGigE 0/0/0/4
Route metric is 0
Label: 0x2 (2)
Tunnel ID: None
Extended communities count: 0
Route version is 0xd (13)
No local label
IP Precedence: Not Set
QoS Group ID: Not Set
Route Priority: RIB_PRIORITY_CONNECTED (2) SVD Type RIB_SVD_TYPE_LOCAL
Download Priority 0, Download Version 13
No advertising protos.
This example is a sample show route ipv6 summary command output:
RP/0/RP0/CPU0:router#show route ipv6 summary
Fri May 18 14:00:28.988 EDT
Route Source Routes Backup Deleted Memory (bytes)
local 0 0 0 0
connected l2tpv3_xconnect 1 0 0 160
connected 0 0 0 0
Total 1 0 0 160
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