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

Table 44: 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 Topics

- show mpls fast-reroute database

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