I see, thank you very much Oli
In the lab I have noticed that changing to explicit null while pinging the
ASR's loopback causes round 30sec blackout.  
Can this be speeded up on trident cards somehow please?


adam
-----Original Message-----
From: Oliver Boehmer (oboehmer) [mailto:[email protected]] 
Sent: Thursday, February 06, 2014 5:02 PM
To: Adam Vitkovsky; [email protected]
Subject: Re: [c-nsp] Remote LFA on IOS XR -does it require Explicit Null
MPLS Labels?

 
>Hi Folks,
>
>Is anybody running Remote LFA on IOS XR please?
>Does it require explicit null labels to be enabled network wide please?

generally yes, reason is that some platforms/versions (don't have the
details ready just now) can't rLFA-protect a primary path which has no label
(due to imp-null).

        oli


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