From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 21 Oct 2013 13:06:09 +0000 (+0200)
Subject: Accepts a change of OSPFv3 neighbor's IP address.
X-Git-Tag: v1.4.0~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33be3ba713901befe2df651b869a406df8fc8ace;p=thirdparty%2Fbird.git

Accepts a change of OSPFv3 neighbor's IP address.

Thanks to Pierre Pfister for the patch.
---

diff --git a/proto/ospf/hello.c b/proto/ospf/hello.c
index 58e87bbf1..68c345f4d 100644
--- a/proto/ospf/hello.c
+++ b/proto/ospf/hello.c
@@ -152,6 +152,14 @@ ospf_hello_receive(struct ospf_packet *ps_i, struct ospf_iface *ifa,
     n->iface_id = ntohl(ps->iface_id);
 #endif
   }
+#ifdef OSPFv3	/* NOTE: this could also be relevant for OSPFv2 on PtP ifaces */
+  else if (!ipa_equal(faddr, n->ip))
+  {
+    OSPF_TRACE(D_EVENTS, "Neighbor address changed from %I to %I", n->ip, faddr);
+    n->ip = faddr;
+  }
+#endif
+
   ospf_neigh_sm(n, INM_HELLOREC);
 
   pnrid = (u32 *) ((struct ospf_hello_packet *) (ps + 1));