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bgp update destroying transit on redback routers ?

Subject: bgp update destroying transit on redback routers ?
From: igor at ergens.org (Igor Ybema)
Date: Thu, 1 Dec 2011 21:15:48 +0100
In-reply-to: <CANwiKaZxZdUH1jgWxkSQ+dGA-07dLFgJ9OwyyL4sWUkGdqsTDw@mail.gmail.com>
References: <CANwiKaZxZdUH1jgWxkSQ+dGA-07dLFgJ9OwyyL4sWUkGdqsTDw@mail.gmail.com>

Hi all,

A new update. A coder from ericsson told me that the problem is not
4-byte asn related. It is related to aggregator-asn=0 and
aggregator-ip=0.0.0.0. Ericsson does not accept this as valid ASN and
IP-address.

The question is now, are all other vendors wrong in accepting this
attribute (clearly ASN=0 and IP=0.0.0.0 isn't corresponding to the RFC
stating 'which shall contain its own AS number and IP address') or is
Ericsson being to strict?

regards, Igor

Follow-Ups:
- bgp update destroying transit on redback routers ?
  - From: morrowc.lists at gmail.com (Christopher Morrow)

References:
- bgp update destroying transit on redback routers ?
  - From: igor at ergens.org (Igor Ybema)

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