[c-nsp] Enterprise IOS 12.2 default MPLS label protocol

[Oliver Boehmer (oboehmer)]

Eric Kagan <mailto:ekagan at axsne.com> wrote on Friday, April 21, 2006
6:49 PM:

>> why 12.2S? a recommendation depends on many factors, so can't
>> help you. But in general there is nothing wrong speaking TDP
>> to some and LDP to other neighbors. There are certain things
>> which won't work with TDP (targeted sessions, AToM), but if
>> you don't need this on these boxes, go ahead..
> 
> 12.2.25S was the original recommendation from the local Cisco SE when
> we built out the MPLS core. We like to keep things *real* simple, so
> all the existing interfaces are LDP and would like to keep it that
> way and not make any changes.  The equipment is all Cisco 7206VXR,
> NPE 300 & 400's.  The Agg routers currently run Enterprise and are
> very stable so I was trying not to change it. (Some of the Aggs have
> 12.2S but I think its overkill.)  Circuits are a mix of clear T's,
> frame, frasi, ATM ds3, IMA, FE, etc. 
> 
> Is this enough info to base an opinion now for an IOS on the PE's ?

Well, I wouldn't see LDP as a driver for a PE upgrade, but rather other
features like iBGP multipath as well as QoS enhancements which come in
handy on PE's. So I'd take a look at 12.3(18).. 

	oli