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| author | Russ White <russ@riw.us> | 2025-04-01 10:20:44 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-04-01 10:20:44 -0400 |
| commit | 161e2746b7b4503236738ae5b2a66eb8484d6dfb (patch) | |
| tree | c0cddc7565edfa6fe961047e904780af16ec9dc9 /bgpd/bgp_packet.c | |
| parent | efa78f28ab0c156b76586bb427d49f5bdb600676 (diff) | |
| parent | 20de25e281fa705aa7b13a953cfab9e6093e91a2 (diff) | |
Merge pull request #18517 from opensourcerouting/fix/backport_18498_10.1stable/10.1
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 edef77b845..c3c21628bc 100644 --- a/bgpd/bgp_packet.c +++ b/bgpd/bgp_packet.c @@ -1031,6 +1031,13 @@ 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); |