Re: [sidr] [Idr] AS_SET depreciation (RFC6472) and BGP multipath

Christopher Morrow <morrowc.lists@gmail.com> Wed, 28 March 2012 16:45 UTC

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Date: Wed, 28 Mar 2012 12:45:22 -0400
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From: Christopher Morrow <morrowc.lists@gmail.com>
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Cc: "idr@ietf.org List" <idr@ietf.org>, Paul Jakma <paul@jakma.org>, sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] [Idr] AS_SET depreciation (RFC6472) and BGP multipath
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On Wed, Mar 28, 2012 at 12:43 PM, Robert Raszuk <robert@raszuk.net> wrote:
>
>>> Are we going to freeze any AS_PATH modifications by operator's policy too
>>> ?
>>> I mentioned replace-as which all major vendors support. There can be more
>>> knobs like this coming in the future.
>>
>>
>> replace as i think is dealt with .... sign again and pcount=0 and move
>> along.
>
>
> replace-as allows to replace any arbitrary match of list of ASes in the
> AS_PATH by your own AS. Does not need to be the last one.

ah yes, was thinking of local-as. the 'replace-as' seems like
loop-creation, joy.

> I don't think SIDR has a solution to deal with such policy.

nope, seems crazy though:) (to use it I mean)