[c-nsp] MPLS Confusion ;)

[Oliver Boehmer (oboehmer)]

Sup2/MSFC2 might be able to do this in the slow path (i.e. when going
via the MSFC), but certainly not when switching/routing packets on the
PFC2. The hardware is just not able to do this.

	oli

Pavel Baleshenko <mailto:pavbal at yandex.ru> wrote on Wednesday, February
13, 2008 9:02 PM:

> Hi.
> 
> 6500/Sup2 can act as a P-router really.
> You need IOS 12.2SXF (probably you'll need add memory and flash). It
> can 
> swap labels and be only P-router (not PE) with nor OSM nor Flexwan.
> But I don't know about any implementation of 6500/Sup2 as P-router.
> 
> Best regards
> Pavel
> 
> ----- Original Message -----
> From: "Oliver Boehmer (oboehmer)" <oboehmer at cisco.com>
> To: "Paul Stewart" <paul at paulstewart.org>; <cisco-nsp at puck.nether.net>
> Sent: Tuesday, February 12, 2008 6:50 PM
> Subject: Re: [c-nsp] MPLS Confusion ;)
> 
> 
>> Paul Stewart <> wrote on Tuesday, February 12, 2008 4:11 PM:
>> 
>>> In other words, is there any reason a Sup2/6500 can't be used on as
>>> a P router itself - I understand that there is more "requirements"
>>> for a PE router and thinking about 7206VXR's on the PE portion
>>> (which we may have some extras at some point in the future).  Just
>>> trying to find a way to use what we have (Sup2/6500, GSR with
>>> Engine 0 cards, 7206VXR with NPE-1G and 2G).
>> 
>> Sup2 can't do any label operations (swap/push/pop), so this rules
>> Sup2 out (you would need OSM or Flexwans). GSRs/E0 and 7200 do MPLS
>> just fine with similar performance as regular IP.
>> 
>>> Trying to avoid sup720 and SIP card
>>> deployments in this year's budget if I can but get MPLS running (in
>>> a general sense).
>> 
>> You want to look into Sup720 or Sup32 for the 6500s, but using 7200
>> or GSRs is fine. 
>> 
>> oli
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