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authorChristian Franke <chris@opensourcerouting.org>2013-03-20 15:28:46 +0000
committerDavid Lamparter <equinox@opensourcerouting.org>2013-04-09 22:38:04 +0200
commitf2b53dac4c72811c06779c596c6162b994eb427a (patch)
tree9402b6fc1cf366121ba9f3bc623344284fac4196 /lib/plist.c
parent677bcbbf153fe73e57cb44f668977cbd26661fd4 (diff)
ospfd: restore nexthop IP for p2p interfaces
commit c81ee5c... "ospfd: Optimize and improve SPF nexthop calculation" subtly changed semantics of routes calculated over pointopoint links by removing the nexthop IP address and instead using an ifindex route. This breaks calculation of AS-Ext routes with a forwarding address since in ospf_ase_complete_direct_routes() this will be hit: if (op->nexthop.s_addr == 0) op->nexthop.s_addr = nexthop.s_addr; thus turning the route unusable by having an invalid nexthop. Fix by restoring the nexthop IP on routes over PtP links. This also allows running multi-access (Ethernet) interfaces in PtP mode again. This bug is a regression against 0.99.21 and only present in 0.99.22. Signed-off-by: Christian Franke <chris@opensourcerouting.org> [patch description and code comments rewritten] Acked-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Acked-by: James Li <jli@cumulusnetworks.com> Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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