Monitoring the RSVP-TE Bypass Tunnels

Purpose

Display information about the backup status of primary LSPs protected with bypass tunnels.

Action

To display the backup status of protected primary LSPs on a core router:

host1(config-if)# show mpls fast-reroute database
                            OutIntf                                 Backup
Role        Name            / Label        BackupIntf / Label       Status
----   ---------------   -------------   ----------------------   -----------
Core   LSP 10.1.1.1:6    ATM4/0.2 / 21   tun mpls:bypass23 / 21   Established
Core   LSP 10.1.1.1:7    ATM4/0.2 / 26   tun mpls:bypass23 / 26   Established 
Example on a tunnel ingress router
                 OutIntf                                 Backup
Role   Name      / Label        BackupIntf / Label       Status
----   ----   -------------   ----------------------   -----------
Head   1      ATM4/0.1 / 27   tun mpls:bypass12 / 27   Established
Head   p2     ATM4/0.1 / 21   tun mpls:bypass12 / 21   Established             

Meaning

Table 75 lists the show mpls fast-reroute command output fields.

Table 75: show mpls fast-reroute Output Fields

Field Name

Field Description

Role

Role of the router in the LSP: core, head, or tail

Name

Name of the primary LSP

OutIntf / Label

Interface type and specifier of the outgoing interface, and the label associated with that interface

BackupIntf / Label

Interface type and specifier of the backup interface, and the label associated with that interface

Backup Status

Status of backup protection (bypass) for the LSP

Related Documentation