[j-nsp] Avoid transit LSPs

[Tom Beecher]

Best option would be the coloring scheme along with explicit excludes in
the config for the LSPs you dont want to go through said device.

On Thu, Jan 24, 2019 at 3:25 PM Luis Balbinot <luis at luisbalbinot.com> wrote:

> That’s a good idea. I’m not 100% sure that this will prevent the creation
> of bypass LSPs but I’ll give it a try.
>
> Thanks!
>
> Luis
>
> On Thu, 24 Jan 2019 at 18:01 Colby Barth <cbarth at juniper.net> wrote:
>
> > Luis-
> >
> > You could probably set the overload bit.
> >
> > -Colby
> >
> > On 1/24/19, 1:10 PM, "juniper-nsp on behalf of Dave Bell" <
> > juniper-nsp-bounces at puck.nether.net on behalf of me at geordish.org> wrote:
> >
> >     I'm not aware of any option that will do this.
> >
> >     The three solutions that I can think of are:
> >     Link colouring like Adam suggests
> >     An explicit path that avoids the interfaces you are worried about
> >     Set the RSVP cost for the interfaces really high
> >
> >     Dave
> >
> >     On Thu, 24 Jan 2019 at 17:01, Luis Balbinot <luis at luisbalbinot.com>
> > wrote:
> >
> >     > It's a permanent thing.
> >     >
> >     > These boxes are PE routers that are not supposed to handle transit
> >     > traffic but during certain network events a few FRR bypass LSPs are
> >     > established through them because that's the only remaining path.
> >     >
> >     > Something easier like a "no-eligible-backup" toggle like the one we
> >     > have with OSPF LFA would be nice.
> >     >
> >     > Luis
> >     >
> >     > On Thu, Jan 24, 2019 at 2:53 PM <adamv0025 at netconsultings.com>
> > wrote:
> >     > >
> >     > > > Luis Balbinot
> >     > > > Sent: Thursday, January 24, 2019 4:45 PM
> >     > > >
> >     > > > Hi.
> >     > > >
> >     > > > How could I prevent a device from getting transit RSVP LSPs
> being
> >     > > > established through it? I only want it to accept ingress LSPs
> > destined
> >     > to
> >     > > that
> >     > > > box.
> >     > > >
> >     > > If this is a permanent thing,
> >     > > You could create a colouring scheme where all links connected to
> > this
> >     > node
> >     > > have to be avoided by all LSPs with the exception of LSPs
> > terminated on
> >     > this
> >     > > node (or originated by this node).
> >     > >
> >     > > If this is a maintenance thing,
> >     > > There's a command that can be enabled to drain all transit LSPs
> > out the
> >     > box.
> >     > > But, all the LSPs would need to be configured with this
> capability
> > in the
> >     > > first place.
> >     > >
> >     > >
> >     > > adam
> >     > >
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