[Isis-wg] draft-xu-isis-mpls-elc-02

Hi authors

I may have a comment

§ 3.  Advertising ELC using IS-IS
" If a router has multiple
   linecards, the router MUST NOT advertise the ELC unless all of the
   linecards are capable of processing ELs."

A priori, this seems a bit too strict. I would say that 
" If a router has multiple linecards, the router MUST NOT advertise the ELC unless it's capable of processing ELs on packets received from all interfaces enabled for this IS-IS instance "

As we don"t care if the router can't process ELs on external interfaces.

If agreed, the same comment would apply to the next section
 "  If a router has multiple linecards with different capabilities of
   reading the maximum label stack deepth, the router MUST advertise the
   smallest one in the RLSDC sub-TLV."

Thanks,
Bruno

> -----Original Message-----
> From: Isis-wg [mailto:isis-wg-bounces@ietf.org] On Behalf Of Christian
> Hopps
> Sent: Friday, May 01, 2015 11:07 PM
> To: isis-wg@ietf.org
> Cc: hannes@juniper.net; Alia Atlas
> Subject: [Isis-wg] WG Adoption call for draft-xu-isis-mpls-elc-02
> 
> 
> Hi Folks,
> 
> The authors have requested the IS-IS WG adopt draft-xu-isis-mpls-elc-02 as
> a working group document.
> 
> Please indicate support or no-support for taking on this work.
> 
> Thanks,
> Chris.
> 
> _______________________________________________
> Isis-wg mailing list
> Isis-wg@ietf.org
> https://www.ietf.org/mailman/listinfo/isis-wg

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