[12596] in North American Network Operators' Group
Re: Ascend/BGP4 <-> hop <-> Cisco/BGP4
daemon@ATHENA.MIT.EDU (Neil J. McRae)
Wed Sep 24 05:13:49 1997
To: Phil Howard <phil@charon.milepost.com>
cc: nanog@merit.edu, neil@domino.org
In-reply-to: Your message of "Tue, 23 Sep 1997 20:56:16 CDT."
<199709240156.UAA28272@charon.milepost.com>
From: "Neil J. McRae" <neil@domino.org>
Reply-To: "Neil J. McRae" <neil@domino.org>
Date: Wed, 24 Sep 1997 10:00:02 +0100
On Tue, 23 Sep 1997 20:56:16 -0500
Phil Howard <phil@charon.milepost.com> wrote:
> Has anyone done a BGP4 peering between an Ascend GRF and a Cisco IOS when
> there is an extra hop in between? I want to be on the lookout for the
> pitfalls. The Ascend GRF will be on my side, as well the extra hop which
> is needed because Ascend isn't shipping T1 media cards for the GRF, yet.
> So we have to do with an ethernet first link out. I'm assuming both of
> my upstreams are running Cisco 7xxx. The topology looks like:
>
I've not done it with the GRF but I have done this with BSD/OS and
gated, and it worked OK. [still is working AFAIK :-)]
[
8 baynard-mega-int-e3.bt.net (194.72.1.254) 40.246 ms 19.178 ms 10.848 ms
9 galaxians.router.easynet.net (193.131.248.185) 23.402 ms 45.58 ms 45.057 ms
]
When we did this is just worked. Although I'm not sure what BTnet did [if
anything] to make the intermediate hop work ok.
They need to specify egp-multihop
Cheers,
Neil.
--
Neil J. McRae. Alive and Kicking. Domino: In the glow of the night.
neil@DOMINO.ORG NetBSD/sparc: 100% SpF (Solaris protection Factor)
Free the daemon in your <A HREF="http://www.NetBSD.ORG/">computer!</A>