Re: [Idr] WGLC on draft-ietf-idr-as-private-reservation-00

Warren Kumari <warren@kumari.net> Fri, 21 December 2012 13:34 UTC

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From: Warren Kumari <warren@kumari.net>
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To: Jeff Wheeler <jsw@inconcepts.biz>
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Cc: idr@ietf.org, Susan Hares <shares@ndzh.com>
Subject: Re: [Idr] WGLC on draft-ietf-idr-as-private-reservation-00
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On Dec 20, 2012, at 8:19 PM, Jeff Wheeler <jsw@inconcepts.biz> wrote:

> On Thu, Dec 20, 2012 at 6:24 PM, Susan Hares <shares@ndzh.com> wrote:
>> I'd be interested in you suggesting the situations would be valid to leak
>> the AS private path AS to a peer, before we downgrade to a "SHOULD".
> 
> This is happening in the DFZ today.  You don't have to take my word
> for it.  Log onto a router and check.  You can even find 65535 in DFZ
> AS_PATHs even though that is not a valid ASN!

Yup, Susan is well aware of this...

> 
> I think it's called a Private ASN and by its very nature, it ought not
> appear in a DFZ AS_PATH.
> 
> However, since some networks are actually doing this right now,
> perhaps it is worth asking them why.

'tis called a leak, and is (in every case I've seen) unintentional…

Someone forgot to add "remove-private" or (if they are masochists) "remove-private-as" to a peer somewhere….


W
> 
> -- 
> Jeff S Wheeler <jsw@inconcepts.biz>
> Sr Network Operator  /  Innovative Network Concepts
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