RSVP Cisco ASR-9k to ALU 7750

Alastair Johnson aj at
Mon Dec 2 19:41:50 UTC 2013

On 12/2/2013 9:55 AM, Rampley Jr, Jim F wrote:
> Wondering if anybody on the list has any working configurations for
> RSVP tunnels between a Cisco ASR9k to Alcatel-Lucent 7750?  I've been
> able to get LSP's up and talking between the two boxes, but I'm
> having an issue getting the RSVP tunnels to come up on the Cisco
> side.

You may need to enable adspec on the 7750 side, otherwise the ASR will 
always advertise a 500 byte MTU on the LSP, which will usually cause 
problems (service MTU checks, etc).

config router mpls lsp <lsp-name> adspec


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