Re: [mpls-linux-general] activate label

[James R. L. <jl...@mi...>]

On Thu, Jan 20, 2005 at 06:34:12PM +0800, sanjeev ravindran wrote:
> Thank you for ur response James,
> 
> Ur explanation cleared my doubts regarding the activation of labels.. However, i would like to know 
> if the LSP will be activated [I mean to say traffic will be forwared] when label binding[installation in to the forwarding plane] is done at the switch level.
> Or is there any way i can bind the label at the switch level but still keep it inactive? and i can activate it to 
> forward traffic at a later time?

MPLS linux does not currently implement admin status on each MPLS segment.
Up till now, I've not seen a need to. I'd be open to implementing it,
provided there is a valid application for it.

> Thanks in advance...
> With best regards,
> Sanjeev R
> 
> ----- Original Message -----
> From: "James R. Leu" <jl...@mi...>
> To: rameshv <ram...@wi...>
> Subject: Re: [mpls-linux-general] activate label
> Date: Wed, 19 Jan 2005 09:08:50 -0600
> 
> > 
> > On Wed, Jan 19, 2005 at 04:20:50PM +0530, rameshv wrote:
> > > hi,
> > >
> > > what is meant by activating label, active connection, backup connection ?
> > 
> > I believe you are referring to the difference between allocating and
> > activating.  Allocation is done in the signaling layer.  Typically
> > activation of a label means to install it into the forwarding plane.  For
> > example RSVP-TE could signal a backup LSP, meaning allocate and distribute
> > labels for the LSP, but it would only install the labels into the forwarding
> > plane (activate) when the primary LSP fails.
> > 
> > (note that the above is a contrived example, all deployed implementations
> > of RSVP-TE that signal backup LSPs install them into forwarding plane prior
> > to the failure of the primary LSP)
> > 
> > > any help is appreciated
> > >
> > > regards
> > > ramesh
> > >
> > >
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> > --
> > James R. Leu
> > jl...@mi...
> > 
> > 
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James R. Leu
jl...@mi...