OPERATIONAL DEFECT DATABASE
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After configuring ebgp peering over bundle ethernet, similar to below logs will be continuously observed RP/0/RP0/CPU0:Jan 13 11:29:00.965 IST: tcp[312]: %IP-TCP_NSR-5-DISABLED : 144.1.141.1:179 144.1.141.2:53602:: NSR disabled for TCP connection because Retransmission threshold exceeded RP/0/RP0/CPU0:Jan 13 11:29:00.968 IST: bgp[1102]: %ROUTING-BGP-3-NBR_NSR_DISABLED : NSR disabled on neighbor 144.1.141.2 due to 'ip-tcp' detected the 'warning' condition 'NSR is down because the retransmission threshold exceeded (probably because downstream RP is not healthy)' RP/0/RP1/CPU0:Jan 13 11:29:06.857 IST: bgp[1102]: %ROUTING-BGP-5-NBR_NSR_DISABLED_STANDBY : NSR disabled on neighbor 144:1:141::2 on standby RP due to Peer closing down the session (VRF: vrf141) RP/0/RP0/CPU0:Jan 13 11:29:06.856 IST: tcp[312]: %IP-TCP_NSR-5-DISABLED : 144:1:141::1:179 144:1:141::2:21843:: NSR disabled for TCP connection because Retransmission threshold exceeded RP/0/RP0/CPU0:Jan 13 11:29:06.857 IST: tcp[312]: %IP-TCP_NSR-5-DISABLED : 144:1:142::1:179 144:1:142::2:44579:: NSR disabled for TCP connection because Retransmission threshold exceeded RP/0/RP1/CPU0:Jan 13 11:29:06.861 IST: bgp[1102]: %ROUTING-BGP-5-NBR_NSR_DISABLED_STANDBY : NSR disabled on neighbor 144:1:142::2 on standby RP due to Peer closing down the session (VRF: vrf142) RP/0/RP1/CPU0:Jan 13 11:29:11.700 IST: bgp[1102]: %ROUTING-BGP-5-NBR_NSR_DISABLED_STANDBY : NSR disabled on neighbor 144:1:144::2 on standby RP due to Peer closing down the session (VRF: vrf144) RP/0/RP0/CPU0:Jan 13 11:29:11.700 IST: tcp[312]: %IP-TCP_NSR-5-DISABLED : 144:1:144::1:179 144:1:144::2:48477:: NSR disabled for TCP connection because Retransmission threshold exceeded
1. Issue will be observed only in NCS560 PIDs with dual RP 2. EBGP session should be setup over bundle ethernet
NA
Issue is observed on ebgp peering in both global and non-global vrf
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