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Re: What is the limit? (was RE: multi-homing fixes)

  • From: Philip Smith
  • Date: Thu Aug 30 06:37:51 2001

At 06:01 30/08/2001 -0400, John Fraizer wrote:

Speaking of filtering:

AS64602 at Mae-West from  Digex (AS2548) ASPATH=2548 64602 64602 64602
64602 64602 64602 IGP

AS65515 at Mae-West from  Verio (AS2914) ASPATH=2914 10910 10910 10910
10910 10910 10910 11908 10530 5593 65515 IGP

AS65515 at AADS from  Verio (AS2914) ASPATH=2914 10910 10910 10910 10910
10910 10910 11908 10530 5593 65515 IGP

AS65515 at Paix from  Verio (AS2914) ASPATH=2914 10910 10910 10910 10910
10910 10910 11908 10530 5593 65515 IGP

Which part of (64512 - 65535 != valid ASN) do providers not understand?

Filter! Filter! Filter!
And your favourite router vendors have a useful command/knob to remove private ASes from announcements too. It's not hard to put that on all eBGP peerings...

philip
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