Explicit Route: Format Error Event
LSP Event
Explicit route: format error
Sample Output
user@R1> show mpls lsp extensive
[...Output truncated...]
10.0.0.6
From: 10.0.0.1, State: Dn, ActiveRoute: 0, LSPname: R1-to-R6
ActivePath: (none)
LoadBalance: Random
Encoding type: Packet, Switching type: Packet, GPID: IPv4
Primary to-R6 State: Dn, No-decrement-ttl
5 Jan 21 14:37:06 10.1.34.2: Explicit Route: format error [2 times]
4 Jan 21 14:37:03 Originate Call
3 Jan 21 14:37:03 Clear Call
[...Output truncated...]
Meaning
This LSP event indicates an LSP setup failure in which a Path message error in the the ERO was received by a router along the LSP path.
Cause
This LSP event can be caused by several factors:
An incorrectly formed ERO in the RSVP Path message.
A strict hop address specified in the middle of an ERO that is not contiguous.
An unsupported subobject in the ERO of a router along the LSP path.
The hop indicated by the RSVP hop object does not match the hop indicated by the ERO.
Action
Examine the strict hop address configuration and make any necessary changes.