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Re: do not filter your customers
From: Randy Bush <randy () psg com>
Date: Thu, 23 Feb 2012 12:27:18 +0530

and things when further downhill from there, when telstra also did not
filter what they announced to their peers, and the peers went over
prefix limits and dropped bgp.
Oh! so protections worked!

imiho, prefix count is too big a hammer.

it would have been better if optus had irr-based filters in place on
peerings with telstra.  then they would not have dropped the sessions
and their customers could still reach telstra customers.

of course, if telstra did not publish accurately in an irr instance,
not much optus could do.

randy


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