IPv6: IS-IS or OSPFv3

deleskie at gmail.com deleskie at gmail.com
Sat Dec 27 16:29:39 UTC 2008

Having worked for seveal SP's 'tier 1' and otherwise along with a couple of router vendors IMO MT is one of those thing people ask for just in case.  Sure we _could_ always find a use for it, but we don't always look at the potential diffrent IGP topologies are going to cause for our NOC staff @ 2am over a holiday weekend when some does decide to break.

------Original Message------
From: Randy Bush
To: Mark Tinka
Cc: nanog at nanog.org
Subject: Re: IPv6: IS-IS or OSPFv3
Sent: Dec 27, 2008 9:27 AM

> For IS-IS, highly recommend MT to avoid any nasties while
> turning up v6 in a dual-stack environment.

as one who has been burned when topologies are not congruent, i gotta 
ask.  if i do not anticipate v4 and v6 having different topologies, and 
all my devices are dual-capable, would you still recommend mt for other 
than future-proofing?


Sent from my BlackBerry device on the Rogers Wireless Network

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