[c-nsp] IS-IS as PE-CE protocol

Victor Sudakov vas at mpeks.tomsk.su
Thu Mar 21 23:37:58 EDT 2019


Robert Raszuk wrote:
> Hi Victor,
> 
> ISIS has analogy to OSPF down bit integrated if this was your question. 

Hopefully it is.

> But
> do check with your implementation to make sure if it supports ISIS leaking.
> 
> PE-CE ISIS is inheriting loop prevention which was defined for ISIS route
> leaking between levels in RFC2966

Looks like it. Thank you for the hint!
> 
> " This document redefines this high-order bit in the default metric
> 
>    field in TLVs 128 and 130 to be the up/down bit."

What would be the Cisco command to enable/disable this feature in IS-IS ?
That would be the easiest way to check if the implementation supports it.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49 at fidonet http://vas.tomsk.ru/


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