diff options
Diffstat (limited to 'ripd/ripd.c')
| -rw-r--r-- | ripd/ripd.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/ripd/ripd.c b/ripd/ripd.c index a1630f6c..afa49fd6 100644 --- a/ripd/ripd.c +++ b/ripd/ripd.c @@ -2449,19 +2449,22 @@ rip_update_interface (struct connected *ifc, u_char version, int route_type) /* Destination address and port setting. */ memset (&to, 0, sizeof (struct sockaddr_in)); if (ifc->destination) - /* use specified broadcast or point-to-point destination addr */ + /* use specified broadcast or peer destination addr */ to.sin_addr = ifc->destination->u.prefix4; - else + else if (ifc->address->prefixlen < IPV4_MAX_PREFIXLEN) /* calculate the appropriate broadcast address */ to.sin_addr.s_addr = ipv4_broadcast_addr(ifc->address->u.prefix4.s_addr, ifc->address->prefixlen); + else + /* do not know where to send the packet */ + return; to.sin_port = htons (RIP_PORT_DEFAULT); if (IS_RIP_DEBUG_EVENT) - zlog_debug ("%s announce to %s on %s", - if_is_pointopoint (ifc->ifp) ? "unicast" : "broadcast", - inet_ntoa (to.sin_addr), ifc->ifp->name); + zlog_debug("%s announce to %s on %s", + CONNECTED_PEER(ifc) ? "unicast" : "broadcast", + inet_ntoa (to.sin_addr), ifc->ifp->name); rip_output_process (ifc, &to, route_type, version); } |