diff options
Diffstat (limited to 'bgpd/bgp_packet.c')
| -rw-r--r-- | bgpd/bgp_packet.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c index 0d81403803..15dba37667 100644 --- a/bgpd/bgp_packet.c +++ b/bgpd/bgp_packet.c @@ -1432,6 +1432,27 @@ static int bgp_keepalive_receive(struct peer *peer, bgp_size_t size) bgp_update_implicit_eors(peer); + peer->rtt = sockopt_tcp_rtt(peer->fd); + + /* If the peer's RTT is higher than expected, shutdown + * the peer automatically. + */ + if (CHECK_FLAG(peer->flags, PEER_FLAG_RTT_SHUTDOWN) + && peer->rtt > peer->rtt_expected) { + + peer->rtt_keepalive_rcv++; + + if (peer->rtt_keepalive_rcv > peer->rtt_keepalive_conf) { + zlog_warn( + "%s shutdown due to high round-trip-time (%dms > %dms)", + peer->host, peer->rtt, peer->rtt_expected); + peer_flag_set(peer, PEER_FLAG_SHUTDOWN); + } + } else { + if (peer->rtt_keepalive_rcv) + peer->rtt_keepalive_rcv--; + } + return Receive_KEEPALIVE_message; } |