Traceroute MPLS RSVP LSP

The traceroute mpls rsvp lsp command can execute the following.

1. Initiate a traceroute request at ingress router of an RSVP LSP.
2. Handle an incoming traceroute request at a transit node of an RSVP LSP (router-alert).
3. Handle an incoming traceroute request at the egress node of an RSVP LSP.
4. Handle a traceroute reply at the ingress router of an RSVP LSP.

The following example displays the output of the command.

device# traceroute mpls rsvp lsp Test12                 

Trace RSVP LSP Test12, timeout 5000 msec, TTL 1 to 30

Type Control-c to abort
 1  2ms 120.120.120.1 return code 8(Transit)
 2  2ms 130.130.130.1 return code 3(Egress)
device# 
device# 
device# traceroute mpls rsvp session 30.31.32.33 130.130.130.1 1

Trace RSVP session(130.130.130.1/1/30.31.32.33), timeout 5000 msec, TTL 1 to 30

Type Control-c to abort
 1  2ms 120.120.120.1 return code 8(Transit)
 2  1ms 130.130.130.1 return code 3(Egress)