RSVP Cisco ASR-9k to ALU 7750

[aj at sneep.net (Alastair Johnson)]

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

HTH,
AJ