[c-nsp] FAT PW between 7600 - ASR9K

[George Giannousopoulos]

Ok. Got it.

Thanks again



On Fri, Nov 1, 2013 at 11:28 AM, Oliver Boehmer (oboehmer) <
oboehmer at cisco.com> wrote:

> George,
>
> >Oliver, since the documentation is very very limited, I'd appreciate if
> >you could provide some info on how each PE will identify the flow labels.
> >Is there a predefined range that is used only for the flow labels as Phil
> >previously mentioned?
>
> you can check http://tools.ietf.org/html/rfc6391 how this works, there are
> no constraints on the flow label value other than it must not be a
> reserved label value (0-15). The label value is only significant for the
> encapsulating/ingress PE, it just ensures to allocate and use the same
> label for all indivisible flows, to ensure those flows are sent via the
> same ECMP path. Section 3 of the RFC talks a bit about who the PE should
> allocate and assign labels. The egress PE just needs to know that there is
> a flow label present on the PW (statically or signalled via LDP), and it
> just pops it.
>
> hope this helps..
>
>         oli
>
>
>
>