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Re: bgp update destroying transit on redback routers ?
From: Igor Ybema <igor () ergens org>
Date: Thu, 1 Dec 2011 18:03:17 +0100


AGGREGATOR is an optional transitive attribute of length 6.

--
In theory, there is no difference between theory and practice.
But, in practice, there is.


Typical, because:

AGGREGATOR is an optional transitive attribute of length 6.
            The attribute contains the last AS number that formed the
            aggregate route (encoded as 2 octets), followed by the IP
            address of the BGP speaker that formed the aggregate route
            (encoded as 4 octets).  Usage of this attribute is described
            in 5.1.7

And what to do with 4-byte AS-numbers then? That would explain the 8 bytes.

regards, Igor


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