Symptom

the TCP/UDP traffic can't be processed and clients process including BGP, LDP, etc will face outage. There will be errors generated for duplicated registration. RP/0/RSP0/CPU0:Feb 2 16:09:49.040 JST: sysdb_svr_local[450]: %SYSDB-SYSDB-7-INFO : client 'tcp' attempted duplicate registration for 'oper/tcp/node/41/stats/' from active node: rc 0x0 (No error) RP/0/RSP0/CPU0:2023 Feb 2 16:09:49.065 JST: tcp[65900]: %OS-LPTS-3-EVM_CREATE_FAIL : 'lpts_pa_event_handler: couldn't create event manager: File exists' : pkg/bin/tcp : (PID=115323244) : -Traceback= 11e39117 dd9e070 RP/0/RSP0/CPU0:Feb 2 16:09:49.482 JST: tcp[65900]: %HA-CHKPT_MESSAGING-7-EVENT_MANAGER_CHANNEL : msg_chan_create failed for /dev/chkpt_sentry/tcp_001 ret=-1 err='Subsystem(8191)' detected the 'unknown' condition 'Code(63)': Unknown Error(511) RP/0/RSP0/CPU0:Feb 2 16:09:54.270 JST: sysdb_svr_local[450]: %SYSDB-SYSDB-7-INFO : client 'udp' attempted duplicate registration for 'oper/udp/node/41/stats/' from active node: rc 0x0 (No error) RP/0/RSP0/CPU0:2023 Feb 2 16:09:54.279 JST: udp[65900]: %OS-LPTS-3-EVM_CREATE_FAIL : 'lpts_pa_event_handler: couldn't create event manager: File exists' : pkg/bin/udp : (PID=115339628) : -Traceback= 11e39117 dd9e070

Conditions

when there's duplicate registration on TCP or UDP or both,

Workaround

1. RSP switchover. If the issue happens on standby RSP, still it can break NSR control traffic. But in this case, 2 RP failover is needed to be done to get recovered. 2. process restart process restart sysdb_shared_data_nc location process restart sysdb_svr_admin location process restart sysdb_svr_local location process restart sysdb_mc location process restart tcp location process restart udp location

Further Problem Description