[rbridge] [Pppext] TRILL, IS-IS, and System ID
Les Ginsberg (ginsberg)
ginsberg at cisco.com
Wed Jun 1 09:32:33 PDT 2011
(Please include isis-wg on this thread.)
> -----Original Message-----
> From: rbridge-bounces at postel.org [mailto:rbridge-bounces at postel.org]
> Behalf Of James Carlson
> Sent: Wednesday, June 01, 2011 8:51 AM
> To: Stewart Bryant (stbryant)
> Cc: PPP Extensions; Donald Eastlake; rbridge at postel.org; William Allen
> Subject: Re: [rbridge] [Pppext] TRILL, IS-IS, and System ID
> Stewart Bryant wrote:
> >> All that said, I don't really care. This is a tempest in a teapot.
> >> can mash together both texts if the Routing ADs are willing to
> accept a
> >> passing reference here to a draft that, in their words, hasn't even
> >> considered by the IS-IS community.
> > James,
> > I believe that any departure from the text in ISO10589 needs
> > to be discussed in the ISIS WG.
> "Any" departure? No matter how subservient? That seems as inflexible
> as the other end of this spectrum.
> If I suggested text like this, would it require ISIS WG discussion,
> if so, what's the chance that this discussion would terminate in a
> positive way?
> 3. An implementation that has only PPP links might have no
> Organizationally Unique Identifier (OUI) that can form an IS-IS
> System ID. Resolving that issue is outside the scope of this
> document, however it is strongly RECOMMENDED that all TRILL
> implementations have at least one zero-configuration mechanism
> obtain a valid System ID. Refer to ISO/IEC 10589 regarding
> ID uniqueness requirements. Alternative solutions to this issue
> may also be defined in the future; see  for an example.
I have a BIG PROBLEM with references to
 W. Simpson, "Generation of Unique IS-IS System Identifiers,"
(draft-simpson-isis-ppp-unique), work in progress, March 2011
This has been publicly reviewed and noted (and I think quite correctly
so) as being seriously flawed. So even a passing suggestion that this
might be a reasonable alternative for someone seems at best very
> James Carlson 42.703N 71.076W
> <carlsonj at workingcode.com>
> rbridge mailing list
> rbridge at postel.org
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