[c-nsp] ASR9000 Import/Exporting between two VRFs

Arie Vayner ariev at vayner.net
Thu Jun 16 05:30:02 EDT 2016


Can you maybe try and match on a community instead of the rd?

Arie

On Wed, Jun 15, 2016 at 4:57 AM Curtis Piehler <cpiehler2 at gmail.com> wrote:

> My issue with using VASI interaces is that I do not have a MSB card.
> On Jun 14, 2016 9:11 PM, "Steve Dodd" <steve.dodd at sungardas.com> wrote:
>
> > This seems like a good use case for VASI interfaces.
> >
> > Thanks,
> > Steve
> >
> > On 6/14/16, 3:22 PM, "cisco-nsp on behalf of Curtis Piehler"
> > <cisco-nsp-bounces at puck.nether.net on behalf of cpiehler2 at gmail.com>
> > wrote:
> >
> > >Hello,
> > >
> > >Quite the curious case here.  An ASR9000 router has two VRFs.
> > >
> > >For simplicity sake let's call them VRF A and VRF B.
> > >
> > >VRF A and VRF B need to be able to see each other's routes via importing
> > >and exporting however here's the catch.
> > >
> > >I need VRF A to see VRF B's routes and vice versa but with prepends.
> > >Basically when VRF A's routes are imported into VRF B they need to look
> > >farther away and vice versa.  All PE routers that have VRF A need to see
> > >routes that belong to it unaltered and PE routers that have VRF B need
> to
> > >see routes that belong to it unaltered.
> > >
> > >I tried to prepend based on matching an RD set within the import and/or
> > >export statements but I get the error "Policy [XYZ] uses 'rd rdmatch'.
> > >'in' is not a valid operate for the 'rd' attribute at the bgp import
> > >attach
> > >point.
> > >
> > >I know I can hair pin two ports on ASR9000 and run eBGP across them
> using
> > >the local-AS command and exchange routes between VRFs that way.
> > >
> > >Thanks
> > >
> > >Curtis
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> >
> >
> >
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