[143510] in North American Network Operators' Group
Re: OSPF vs IS-IS
daemon@ATHENA.MIT.EDU (Stefan Fouant)
Thu Aug 11 09:02:44 2011
In-Reply-To: <CADr_k3ZUfHmWQyBu48x_0RsbEphj_XOZ+b=ygxJ0kYBk1G=2bQ@mail.gmail.com>
From: Stefan Fouant <sfouant@shortestpathfirst.net>
Date: Thu, 11 Aug 2011 09:06:18 -0400
To: CJ <cjinfantino@gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Well up until not too long ago, to support IPv6 you would run OSPFv3 and for=
IPv4 you would run OSPFv2, making IS-IS more attractive, but that is no lon=
ger the case with support for IPv4 NLRI in OSPFv3.
The only reason in my opinion to run IS-IS rather than OSPF today is due to t=
he fact that IS-IS is decoupled from IP making it less vulnerable to attacks=
.
Stefan Fouant
JNCIE-M, JNCIE-ER, JNCIE-SEC, JNCI
Technical Trainer, Juniper Networks
http://www.shortestpathfirst.net
http://www.twitter.com/sfouant
Sent from my iPad
On Aug 11, 2011, at 8:57 AM, CJ <cjinfantino@gmail.com> wrote:
> Hey all,
> Is there any reason to run IS-IS over OSPF in the SP core? Currently, we
> are running IS-IS but we are redesigning our core and now would be a good
> time to switch. I would like to switch to OSPF, mostly because of
> familiarity with OSPF over IS-IS.
> What does everyone think?
>=20
> --=20
> CJ
>=20
> http://convergingontheedge.com <http://www.convergingontheedge.com>
