Re: [sidr] is a longer announce invalid or not found?

Randy Bush <randy@psg.com> Fri, 30 September 2011 14:32 UTC

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Date: Fri, 30 Sep 2011 23:35:18 +0900
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From: Randy Bush <randy@psg.com>
To: Hannes Gredler <hannes@juniper.net>
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Cc: sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] is a longer announce invalid or not found?
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>>> my read of 10.0.0.0/16-16 is an exact match
>>> and 10.0.0.0/16-32 is a subtree match ('orlonger' in JUNOS policy
>>> terms ;-))
>> yes.
> so why is it (per your previous example) 'invalid' then -
> since a exact match was requested and no exact match could be found
> it should be 'not found'.

because we call it an attack.  see all the specs.

> if one wanted to match against the whole subtree then 10.0.0.0/16-32
> shall be advertised and signed;

almost the opposite.

>> fwiw, i do not remember junos as having a policy term to express
>> 10.0.0.0/16-14 :)
> e.g. route-filter 10.0.0.0/14 prefix-length-range /14-/16

cool

randy