Re: IGP choice

["marcel.duregards () yahoo fr" <marcel.duregards () yahoo fr>]

Hi Matthew,

Thank a lot for your answer. This help me to understand, and make more 
sense to me :-).

Thanks,
-Marcel

On 23.10.2015 18:31, Matthew Petach wrote:
> 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