[184867] in North American Network Operators' Group
Re: IGP choice
daemon@ATHENA.MIT.EDU (Matthew Petach)
Fri Oct 23 12:31:24 2015
X-Original-To: nanog@nanog.org
In-Reply-To: <5629F2CD.5040305@yahoo.fr>
Date: Fri, 23 Oct 2015 09:31:21 -0700
From: Matthew Petach <mpetach@netflight.com>
To: "marcel.duregards@yahoo.fr" <marcel.duregards@yahoo.fr>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Fri, Oct 23, 2015 at 1:41 AM, marcel.duregards@yahoo.fr
<marcel.duregards@yahoo.fr> wrote:
> sorry for that, but the only one I've heard about switching his core IGP is
> Yahoo. I've no precision, and it's really interest me.
> I know that there had OSPF in the DC area, and ISIS in the core, and decide
> to switch the core from ISIS to OSPF.
Wait, what?
*checks memory*
*checks routers*
Nope. Definitely went the other way; OSPF -> IS-IS in the core.
> Why spend so much time/risk to switch from ISIS to OSPF, _in the core_ a not
> so minor impact/task ?
> So I could guess it's for maintain only one IGP and have standardized
> config. But why OSPF against ISIS ? What could be the drivers? People skills
> (more people know OSPF than ISIS) --> operational reason ?
I'm sorry you received the wrong information,
the migration was from OSPF to IS-IS, not
the other way around.
Thanks!
Matt
