Technical Documentation

Fast Reroute Detour Up Event

LSP Event

Fast-reroute Detour Up

Sample Output 1

user@R1> show mpls lsp extensive
[...Output truncated...]
  From:, State: Up, ActiveRoute: 0, LSPname: R1-R6-3
  ActivePath:  (primary)
  FastReroute desired
  LoadBalance: Random
  Encoding type: Packet, Switching type: Packet, GPID: IPv4
 *Primary                    State: Up
    Computed ERO (S [L] denotes strict [loose] hops): (CSPF metric: 20) S S 
    Received RRO (ProtectionFlag 1=Available 2=InUse 4=B/W 8=Node 10=SoftPreempt):

    7 Feb 15 20:50:00 Record Route:
    6 Feb 15 20:50:00  Fast-reroute Detour Up
    5 Feb 15 20:49:57 Selected as active path
    4 Feb 15 20:49:57 Record Route:
    3 Feb 15 20:49:57 Up
    2 Feb 15 20:49:56 Originate Call
    1 Feb 15 20:49:56 CSPF: computation result accepted
  Created: Tue Feb 15 20:49:57 2005
Total 3 displayed, Up 3, Down 0
[...Output truncated...]

Sample Output 2

[edit protocols mpls] 
user@R1# show
label-switched-path R1-R6-3 {
[...Output truncated...]


This LSP event only applies to detours on this route, and indicates that a fast reroute detour path is up. Sample Output 1 shows the fast reroute event. Sample Output 2 shows the configuration of fast reroute on ingress router R1.


This LSP event is caused by the correct configuration of a one-to-one (1:1) fast reroute detour, resulting in the successful signaling of a fast reroute detour.


Not applicable.

Published: 2010-01-30