OSPF vs IS-IS
dotis at mail-abuse.org
Fri Aug 12 21:05:52 CDT 2011
On 8/12/11 8:29 AM, Jeff Wheeler wrote:
> I thought I'd chime in from my perspective, being the head router
> jockey for a bunch of relatively small networks. I still find that
> many routers have support for OSPF but not IS-IS. That, plus the fact
> that most of these networks were based on OSPF before I took charge of
> them, in the absence of a compelling reason to change to another IGP,
> keeps me from taking advantage of IS-IS. I'd like to, but not so
> badly that I am willing to work around those routers without IS-IS, or
> weight that feature more heavily when purchasing new equipment.
> There are many routers with OSPF but no IS-IS. I haven't seen any
> with IS-IS but no OSPF. I don't think such router would be very
> marketable to most non-SP networks.
TRILL supports IS-IS. It seems it may play a role beyond the router.
More information about the NANOG