[c-nsp] MPLS-TE on ME3600

[Aaron]

Is it true that mpls traffic engineering requires single area ospf ?
(something about mple te attributes within ospf getting lost between areas,
or unable to be passed into other areas)

Aaron

-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Pshem Kowalczyk
Sent: Wednesday, September 11, 2013 2:36 PM
To: Eric Van Tol
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] MPLS-TE on ME3600

Hi,

We use ME3600x with MPLS TE. I can't comment on the first point (we don't
have multiple areas), but on the second one - path protection is protection
end-to-end, whilst FRR uses a local repair mechanism, so these two are quite
different in the way they work. FRR on that device works fine and provides
protection for both originated and transit LSPs. On the third point - yes,
that's a limitation. I'm not sure if it's a hardware or a software one.

kind regards
Pshem


On 12 September 2013 04:15, Eric Van Tol <eric at atlantech.net> wrote:
> Hi all,
> I'm a bit confused about the documentation for the ME3600 with regard to
its MPLS-TE support.  Specifically, the 'MPLS TE' section
(http://www.cisco.com/en/US/docs/switches/metro/me3600x_3800x/software/relea
se/15.3_3_S/configuration/guide/swmpls.html#wp1183331) states:
>
> The switch does not support these MPLS TE features:
> *Interarea TE support for OSPF and IS-IS *TE path protection
>
> On the first bulletpoint, does this simply mean that it cannot pass
through areas without an explicit path set up?
>
> On the second bulletpoint, I'm confused about this because the next
section in the documentation deals with Fast Reroute.  Does this bulletpoint
mean that the ME3600 cannot provide protection for transit LSPs?
>
> And finally, within the Fast Reroute section, I see this little nugget:
>
> "The switch supports MPLS TE fast reroute over only routed ports and not
over SVIs or EtherChannels."
>
> Huh?  Really?
>
> -evt
>
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