Re: [mpls] New version of draft-boutros-mpls-tp-loopback-01

[Huub van Helvoort <hhelvoort at chello.nl>]

Hi Sami,

Thanks for the reply.

Two more questions at the bottom:

------------------------
Sami Boutros wrote:
> Hi Huub,
>
> At 11:49 AM 11/6/2008, Huub van Helvoort wrote:
> > Hi Sami,
> >
> > You wrote:
> >
> > > Please find the updated version of the draft @
> > > http://www.tla-group.com/~loa/draft-boutros-mpls-tp-loopback-01.txt
> >
> > A few questions for clarification:
> >
> > -1- if node B is in FLB what does it do with OAM packets that
> >     have as destination the MEP at the end of the LSP, or any
> >     MIP that may be located between node B and node C.
>
> We are going to address this in a next revision, to allow OAM pkts
> to go pass the MIP node where the loopback happens.
>
> > -2- if node B is in OLB what does it do with OAM packets that
> >     have as destination the MEP at the end of the LSP, or any
> >     MIP that may be located between node B and node C.
>
> Same as above.
>
> > -3- if node B is in FLB are data packets looped back only to
> >     node A or are they still forwarded/bridged to node C as well.
>
> Only looped back to A.
>
> > -4- are the error reponses to a) malformed message b) unknown
> >     TLV and c) authentication failure, only applicable to the
> >     lopback messages or they they generic.
>
> They are for loopback messages, but could apply as well to other
> messages in the future.

If a message is malformed, how can it be determined that it
was actually a loopback message?
And would it also be possible that a message is malformed such
that it looks like a loopback message?

Regards, Huub.


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