diff options
| author | Jafar Al-Gharaibeh <jafar@atcorp.com> | 2025-03-27 10:27:11 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-03-27 10:27:11 -0500 |
| commit | 2224879e54f4866334ba43be373928dab46f0012 (patch) | |
| tree | ae48a33f2cbb71b3b277fb8768850cc99cd9354c /bgpd/bgp_packet.c | |
| parent | 2f6fb565fc84b98ce1cd88c3b366f0ae18ac423b (diff) | |
| parent | 93ba3dd5477a1e6a60b1e35c2c16bc7a1ecd6aa8 (diff) | |
Merge pull request #18516 from opensourcerouting/fix/backport_18498_10.2
bgpd: Retain the routes if we do a clear with N-bit set for Graceful-Restart (backport)
Diffstat (limited to 'bgpd/bgp_packet.c')
| -rw-r--r-- | bgpd/bgp_packet.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c index 2dbeb3cbde..1669a5c106 100644 --- a/bgpd/bgp_packet.c +++ b/bgpd/bgp_packet.c @@ -1035,6 +1035,13 @@ static void bgp_notify_send_internal(struct peer_connection *connection, /* Add packet to peer's output queue */ stream_fifo_push(connection->obuf, s); + /* If Graceful-Restart N-bit (Notification) is exchanged, + * and it's not a Hard Reset, let's retain the routes. + */ + if (bgp_has_graceful_restart_notification(peer) && !hard_reset && + CHECK_FLAG(peer->sflags, PEER_STATUS_NSF_MODE)) + SET_FLAG(peer->sflags, PEER_STATUS_NSF_WAIT); + bgp_peer_gr_flags_update(peer); BGP_GR_ROUTER_DETECT_AND_SEND_CAPABILITY_TO_ZEBRA(peer->bgp, peer->bgp->peer); |