diff options
| -rw-r--r-- | usr.sbin/bgpd/rde_update.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/usr.sbin/bgpd/rde_update.c b/usr.sbin/bgpd/rde_update.c index cbac934cbee..7af1146a6ac 100644 --- a/usr.sbin/bgpd/rde_update.c +++ b/usr.sbin/bgpd/rde_update.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rde_update.c,v 1.4 2004/02/18 16:14:13 claudio Exp $ */ +/* $OpenBSD: rde_update.c,v 1.5 2004/02/18 23:25:17 claudio Exp $ */ /* * Copyright (c) 2004 Claudio Jeker <claudio@openbsd.org> @@ -216,6 +216,15 @@ up_generate_updates(struct rde_peer *peer, /* Do not send routes back to sender */ return; + if (peer->conf.ebgp && + !aspath_loopfree(old->aspath->flags.aspath, + peer->conf.remote_as)) + /* + * Do not send routes back to sender which would + * cause a aspath loop. + */ + return; + if (peer->conf.ebgp == 0 && old->peer->conf.ebgp == 0) /* Do not redistribute updates to ibgp peers */ return; @@ -251,6 +260,15 @@ up_generate_updates(struct rde_peer *peer, /* Do not send routes back to sender */ return; + if (peer->conf.ebgp && + !aspath_loopfree(new->aspath->flags.aspath, + peer->conf.remote_as)) + /* + * Do not send routes back to sender which would + * cause a aspath loop. + */ + return; + if (peer->conf.ebgp == 0 && new->peer->conf.ebgp == 0) /* Do not redistribute updates to ibgp peers */ return; |