Cisco Nexus 7000 Series Command Reference Manual page 398
Nx-os mpls
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show mpls traffic-eng tunnels backup
show mpls traffic-eng tunnels backup
To display if fast reroute backup protection is provided by the tunnels, use the show mpls traffic-eng
tunnels backup command.
Syntax Description
This command has no arguments or keywords.
Defaults
None
Command Modes
EXEC mode
Supported User Roles
network-admin
vdc-admin
Command History
Release
5.2(1)
Usage Guidelines
The command allows you to verify the following:
•
•
•
•
This command requires the MPLS Services license.
Note
To make a backup tunnel to be operational, the LSP must be reroutable. At the headend of the LSP, enter
the show run int tunnel tunnel-number command. The output should include the fast-reroute
command.
Cisco Nexus 7000 Series NX-OS MPLS Command Reference
1320
show mpls traffic-eng tunnels backup
Modification
This command was introduced.
The backup tunnel exists—Verify that there is a backup tunnel that terminates at this label switched
path (LSP) next-hop (NHOP) or next-next-hop (NNHOP). Look for the LSP's next-hop NHOP or
NNHOP in the Dest field.
The backup tunnel is up—Verify that the backup tunnel is up by looking for Up in the State field.
The backup tunnel is associated with the LSP's interface—Verify that the interface for the LSP is
allowed to use this backup tunnel. Look for the LSP's output interface in the protects field list.
The backup tunnel has sufficient bandwidth—If you restrict the amount of bandwidth that a backup
tunnel can hold, verify that the backup tunnel has sufficient bandwidth to hold the LSPs that would
use this backup tunnel if there is a failure. The bandwidth of an LSP is defined by the line bandwidth
at the headend of the LSP. To determine the available bandwidth on a backup tunnel, look at the cfg
and inuse fields. If there is insufficient backup bandwidth to accommodate the LSPs that would use
this backup tunnel if a failure occurs, create an additional backup tunnel or increase the backup
bandwidth of the existing tunnel by using the bandwidth command.
Show Commands
OL-24994-01
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