Ignore link local neighbors (#1065)

sonic-net · Sep 20, 2019 · a5b6e7c · a5b6e7c
1 parent 0ddaba3
commit a5b6e7c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/neighsyncd/neighsync.cpp b/neighsyncd/neighsync.cpp
@@ -61,7 +61,9 @@ void NeighSync::onMsg(int nlmsg_type, struct nl_object *obj)
     key+= ":";
 
     nl_addr2str(rtnl_neigh_get_dst(neigh), ipStr, MAX_ADDR_SIZE);
-
+    /* Ignore IPv6 link-local addresses as neighbors */
+    if (family == IPV6_NAME && IN6_IS_ADDR_LINKLOCAL(nl_addr_get_binary_addr(rtnl_neigh_get_dst(neigh))))
+        return;
     /* Ignore IPv6 multicast link-local addresses as neighbors */
     if (family == IPV6_NAME && IN6_IS_ADDR_MC_LINKLOCAL(nl_addr_get_binary_addr(rtnl_neigh_get_dst(neigh))))
         return;