Hi Acee,

On 01/03/18 17:36 , Acee Lindem (acee) wrote:
Hi Dirk,

My memory has faded somewhat on Forwarding Adjacency (FA)
implementation. However, since basic MPLS LSPs are unidirectional,
doesn’t the SPF two-way check have to be disabled anyway? If so, the
Remote Interface ID doesn’t matter.

no, you have to advertise FA from both sides so that TWC passes.

thanks,
Peter


Thanks,
Acee

*From: *Lsr <[email protected]> on behalf of "Goethals, Dirk (Nokia -
BE/Antwerp)" <[email protected]>
*Date: *Thursday, March 1, 2018 at 11:06 AM
*To: *"[email protected]" <[email protected]>
*Subject: *[Lsr] advertising tunnels in IGP

Hi,
In OSPFv2 (and ISIS), we can add (RSVP) tunnels to the topology
by adding them as a unnumbered link in the router lsa.
In OSPFv3, we can only add a link to the router-lsa if the neighbor
interface ID is known.
So it looks like we can only add a tunnel to the OSPFv3 topology,
if we first exchanging hello packets over the tunnel.
Is that correct?
As this is not needed in the other IGPs, do
we have other possibilities?
Thx,
Dirk





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