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Monitoring and Maintaining an MPLS Configuration
Example 3-18 show mpls forwarding-table Command
Router# show mpls forwarding-table
LocalOutgoingPrefixBytes tagOutgoingNext Hop
tag tag or VCor Tunnel Idswitchedinterface
16
17
18
19
20
In
Example
correctly, it assigns one label per forwarding equivalent class. If any of the presumed neighbors is
missing and cannot be pinged, a connectivity problem exists and the label distribution protocol cannot
run.
Example 3-19 show tag-switching tdp discovery Command
Router# show tag-switching tdp discovery
Local TDP Identifier:
Discovery Sources:
The neighbor relationship is not established when the router ID for the label distribution protocol cannot
Note
be reached from the global routing table.
Verifying Label Bindings
To verify label bindings, enter any of the following commands in privileged EXEC mode:
Command
Router# show mpls ip bindings
Router# show mpls tag-switching forwarding-table
{ip-address | prefix} detail
Example 3-20 show mpls ip bindings Command
Router# show mpls ip binding
Cisco 10000 Series Router Software Configuration Guide
3-42
Untagged10.1.0.0/160AT9/0/010.4.4.2
Untagged10.0.0.0/80AT9/0/010.4.4.2
Untagged192.168.0.0/160AT9/0/110.6.6.2
Pop tag192.168.2.1/32624Fal1/0/0172.16.0.1
Pop tag192.168.2.2/320Fal1/0/1172.16.0.18
3-19, TDP is used to bind labels with routes. If label distribution protocol is running
10.10.10.3:0
Interfaces:
Serial0/1.1 (tdp): xmit/recv
TDP Id: 10.10.10.1:0
Serial0/1.2 (tdp): xmit/recv
TDP Id: 10.10.10.2:0
Serial0/1.3 (tdp): xmit/recv
TDP Id: 10.10.10.6:0
10.4.4.0/24
in label:imp-null
out label:imp-nulllsr: 172.16.1.18:0
10.6.6.0/24
in label:imp-null
out label:imp-nulllsr: 172.16.1.18:0
Chapter 3
Purpose
Displays the labels assigned to each destination.
Displays the different routes and the labels associated with them.
Configuring Remote Access to MPLS VPN
OL-2226-23
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Troubleshooting
