Re: [mpls-linux-general] activate label

[sanjeev r. <san...@li...>]

Thank you so much for ur response James,
As you explained, RSVPTE can have back up LSPs. And currently all the backu=
p LSPs also will be installed in the forwarding plane. But in my perspectiv=
e, this doesnt serve the actual purpose.. A back up LSP needs to be enabled=
 only when the primary LSP fails.. In this scenario, there needs to be some=
 mechanism where we can bind a label and activate  it later for LSPs. Im no=
t sure if this is a valid point... This is what I feel...=20
With best regards,
Sanjeev R










----- Original Message -----
From: "James R. Leu" <jl...@mi...>
To: "sanjeev ravindran" <san...@li...>
Subject: Re: [mpls-linux-general] activate label
Date: Thu, 20 Jan 2005 23:14:38 -0600

>=20
> 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=20
> > labels.. However, i would like to know if the LSP will be=20
> > activated [I mean to say traffic will be forwared] when label=20
> > binding[installation in to the forwarding plane] is done at the=20
> > switch level.
> > Or is there any way i can bind the label at the switch level but=20
> > still keep it inactive? and i can activate it to forward traffic=20
> > at a later time?
>=20
> 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.
>=20
> > 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 connec=
tion ?
> > > > 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 distr=
ibute
> > > labels for the LSP, but it would only install the labels into=20
> > the forwarding
> > > plane (activate) when the primary LSP fails.
> > > > (note that the above is a contrived example, all deployed implement=
ations
> > > 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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>=20
> --
> James R. Leu
> jl...@mi...
>=20
>=20
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