[j-nsp] RSVP error: ignoring Recovery Label 0 unacceptable

[Fernando de Aquilino Corrêa]

Hello,

If I'm not mistaken, the router receiving a label 0 advertisement will understand it is the penultimate hop and will pop the outmost label when sending packets downstream. It looks it's happening within a backup path, so it should not prevent the LSP from coming online. It sounds strange.

I don't have any experience with Huawei routers, but I'd guess you may have some implicit-null/explicit-null compatibility issue. Try setting both to advertise explicit-null labels.

Another thing you can do is to disable fast-reroute temporally on this tunnel just to check if it is the issue. I'm not sure if label 0 should be used with it, but it looks like your Huawei works this way.

Regards,
Fernando

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of adimi bouchaib
Sent: quinta-feira, 23 de outubro de 2008 10:21
To: Juniper; juniper-nsp
Subject: [j-nsp] RSVP error: ignoring Recovery Label 0 unacceptable


Hi all ,


I have created a RSVP TE tunnel betwen a Juniper M20 an Huawei N40e routers 
but the lsp is still down , in the cspf  logs i don't see any error but in rsvp log 
I see 
RSVP error: ignoring Recovery Label 0 unacceptable

have someone see this before , what does  this error messages mean ? .



best regards 

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