diff options
Diffstat (limited to 'server/fsm.go')
| -rw-r--r-- | server/fsm.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/server/fsm.go b/server/fsm.go index c121c85f..b38cc9a1 100644 --- a/server/fsm.go +++ b/server/fsm.go @@ -1169,6 +1169,21 @@ func (h *FSMHandler) opensent() (bgp.FSMState, FsmStateReason) { h.conn.Close() return bgp.BGP_FSM_IDLE, FSM_INVALID_MSG } + + // RFC 4724 3 + // The most significant bit is defined as the Restart State (R) + // bit, ...(snip)... When set (value 1), this bit + // indicates that the BGP speaker has restarted, and its peer MUST + // NOT wait for the End-of-RIB marker from the speaker before + // advertising routing information to the speaker. + if fsm.pConf.GracefulRestart.State.LocalRestarting && cap.Flags&0x08 != 0 { + log.WithFields(log.Fields{ + "Topic": "Peer", + "Key": fsm.pConf.State.NeighborAddress, + "State": fsm.state.String(), + }).Debug("peer is restarting, skipping sync process") + fsm.pConf.GracefulRestart.State.LocalRestarting = false + } if fsm.pConf.GracefulRestart.Config.NotificationEnabled && cap.Flags&0x04 > 0 { fsm.pConf.GracefulRestart.State.NotificationEnabled = true } |