diff options
-rw-r--r-- | sys/net/if_bridge.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c index 4825483..af4cd4e 100644 --- a/sys/net/if_bridge.c +++ b/sys/net/if_bridge.c @@ -2118,6 +2118,13 @@ bridge_input(struct ifnet *ifp, struct mbuf *m) if (memcmp(eh->ether_dhost, IF_LLADDR(bifp), ETHER_ADDR_LEN) == 0) { + /* Block redundant paths to us */ + if ((bif->bif_flags & IFBIF_STP) && + bif->bif_stp.bp_state == BSTP_IFSTATE_DISCARDING) { + BRIDGE_UNLOCK(sc); + return (m); + } + /* * Filter on the physical interface. */ |