X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fnetdev-vport.c;h=4aa8bb04c114fde4f48b534507739aae73a75b4e;hb=85c9de194b9f432f7b8a66bda980cbab52a55b72;hp=adcc3529fe16320d409aab3d37ff54003a9fbebe;hpb=0d0673857b5b2a50f6aef62e0f042795d9893690;p=sliver-openvswitch.git

diff --git a/lib/netdev-vport.c b/lib/netdev-vport.c
index adcc3529f..4aa8bb04c 100644
--- a/lib/netdev-vport.c
+++ b/lib/netdev-vport.c
@@ -329,6 +329,10 @@ set_tunnel_config(struct netdev_dev *dev_, const struct smap *args)
             struct in_addr in_addr;
             if (lookup_ip(node->value, &in_addr)) {
                 VLOG_WARN("%s: bad %s 'remote_ip'", name, type);
+            } else if (ip_is_multicast(in_addr.s_addr)) {
+                VLOG_WARN("%s: multicast remote_ip="IP_FMT" not allowed",
+                          name, IP_ARGS(in_addr.s_addr));
+                return EINVAL;
             } else {
                 tnl_cfg.ip_dst = in_addr.s_addr;
             }
@@ -446,14 +450,6 @@ set_tunnel_config(struct netdev_dev *dev_, const struct smap *args)
                  name, type);
         return EINVAL;
     }
-
-    if (tnl_cfg.ip_src) {
-        if (ip_is_multicast(tnl_cfg.ip_dst)) {
-            VLOG_WARN("%s: remote_ip is multicast, ignoring local_ip", name);
-            tnl_cfg.ip_src = 0;
-        }
-    }
-
     if (!tnl_cfg.ttl) {
         tnl_cfg.ttl = DEFAULT_TTL;
     }