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    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 1 lists the show mpls fast-reroute command output fields.

    Table 1: 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

     

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    Published: 2014-08-18