Speaking as WG member: 

> On Sep 3, 2026, at 10:33 AM, Les Ginsberg (ginsberg) 
> <[email protected]> wrote:
> 
> Folks -
> 
> Tony P and I have posted a new document defining a new TLV to be included in 
> hellos. The new TLV  supports advertisement of optional features useful in 
> establishing/maintaining adjacencies.

It seems the draft should include these useful optional features that need to 
discovered prior to establishing an adjacency. 

Thanks,
Acee


> 
> Comments welcomed.
> 
>   Les
> 
> -----Original Message-----
> From: [email protected] <[email protected]> 
> Sent: Thursday, September 3, 2026 7:30 AM
> To: Les Ginsberg (ginsberg) <[email protected]>; Tony Przygienda 
> <[email protected]>
> Subject: New Version Notification for 
> draft-ginsberg-lsr-hello-capability-00.txt
> 
> A new version of Internet-Draft draft-ginsberg-lsr-hello-capability-00.txt has
> been successfully submitted by Les Ginsberg and posted to the
> IETF repository.
> 
> Name:     draft-ginsberg-lsr-hello-capability
> Revision: 00
> Title:    IS-IS Hello Capability
> Date:     2026-09-03
> Group:    Individual Submission
> Pages:    6
> URL:      
> https://www.ietf.org/archive/id/draft-ginsberg-lsr-hello-capability-00.txt
> Status:   
> https://datatracker.ietf.org/doc/draft-ginsberg-lsr-hello-capability/
> HTMLized: 
> https://datatracker.ietf.org/doc/html/draft-ginsberg-lsr-hello-capability
> 
> 
> Abstract:
> 
>   Advertisement of capabilities in Hellos is useful to allow support of
>   optional features in establishing and maintaining adjacencies.  This
>   document defines a new TLV to be sent in hellos to advertise such
>   capabilities.
> 
> 
> 
> The IETF Secretariat
> 
> 
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