On Thu, Aug 30, 2012 at 01:33:09PM +0200, Joakim Tjernlund wrote: > > 3) I thought that for some reasons the ifindex in 'data' value of link in > > router LSA is somehow important in link-back check or next-hop calculation > > when there are parallel links, but it seems to be completely useless > > - local router does not need it and neighboring routers can't map their > > links to links in local router LSA, because they don't know local > > ifindexes. > > It is useless now but bird used ifindex earlier to find its interface > and I think many impl. still does.
BTW, i think BIRD didn't used the ifindex value in the past. Before current implementation it tried all ptp ifaces that have neighbor with given router ID. -- Elen sila lumenn' omentielvo Ondrej 'SanTiago' Zajicek (email: [email protected]) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so."
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