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.
Thanks, Acee From: Lsr <lsr-boun...@ietf.org> on behalf of "Goethals, Dirk (Nokia - BE/Antwerp)" <dirk.goeth...@nokia.com> Date: Thursday, March 1, 2018 at 11:06 AM To: "lsr@ietf.org" <lsr@ietf.org> 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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