diff options
| -rw-r--r-- | src/plugins/linux-cp/lcp_router.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/plugins/linux-cp/lcp_router.c b/src/plugins/linux-cp/lcp_router.c index 6392e2a16f4..7542aa06614 100644 --- a/src/plugins/linux-cp/lcp_router.c +++ b/src/plugins/linux-cp/lcp_router.c @@ -557,6 +557,14 @@ lcp_router_neigh_del (struct rtnl_neigh *rn) lcp_router_mk_addr (rtnl_neigh_get_dst (rn), &nh); + if (ip46_address_is_multicast (&ip_addr_46 (&nh))) + { + LCP_ROUTER_DBG ("ignore neighbor del: %U %U", format_ip_address, &nh, + format_vnet_sw_if_index_name, vnet_get_main (), + sw_if_index); + return; + } + rv = ip_neighbor_del (&nh, sw_if_index); if (rv) @@ -597,6 +605,15 @@ lcp_router_neigh_add (struct rtnl_neigh *rn) int state; lcp_router_mk_addr (rtnl_neigh_get_dst (rn), &nh); + + if (ip46_address_is_multicast (&ip_addr_46 (&nh))) + { + LCP_ROUTER_DBG ("ignore neighbor add: %U %U", format_ip_address, &nh, + format_vnet_sw_if_index_name, vnet_get_main (), + sw_if_index); + return; + } + ll = rtnl_neigh_get_lladdr (rn); state = rtnl_neigh_get_state (rn); |