From: Copleston Daniel (Daniel.Copleston@ukomfs.com)
Date: Fri Oct 04 2002 - 09:54:52 GMT-3
Multiple EIGRP AS's are generally considered a bad thing as they do not
limit the query size but merely add complexity. By this I mean that the AS's
boundaries will not help limit the size of the network as far as EIGRP is
concerned and help reduce the occurrence of SIA routes. The Cisco policy
seems to be to use a single AS number and bound queries through suitable use
of summarisation wherever possible. There are some good Networkers PDFs on
this - I will send the links when I dig them out.
Thanks,
Daniel
-----Original Message-----
From: Jaksec, Nick [mailto:Nick.Jaksec@acs-inc.com]
Sent: 04 October 2002 13:35
To: CCIE (E-mail)
Subject: EIGRP Question
Is there any need to have multiple EIGRP AS's within a rather large network?
I can see with OSPF by creating multiple areas and then summarizing at the
ABR, but with EIGRP you can summarize anywhere thus creating the same
effect. What is the advantage to having multiple EIGRP AS's and
redistributing between them within a network ?? Any response would be
appreciated, thanks !!
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