Hi,
I am working in one of ISP, i have observed below error in one of our PE router ASR 9006
customer service was impacted nearly 5 hours.
can any one confirm,
why it's happened?
Is it due to PE router bug?
or it's because of any issue from customer?
RP/0/RSP0/CPU0:Dec 24 01:39:19.548 IST: tcp[452]: %IP-TCP_NSR-5-DISABLED : X.X.X.X:13185 <-> X.X.X.X:179:: NSR disabled for TCP connection because Retransmission threshold exceeded
RP/0/RSP0/CPU0:Dec 24 01:39:19.548 IST: bgp[1058]: %ROUTING-BGP-3-NBR_NSR_DISABLED : NSR disabled on neighbor X.X.X.X 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/RSP1/CPU0:Dec 24 01:39:19.547 IST: bgp[1058]: %ROUTING-BGP-5-NBR_NSR_DISABLED_STANDBY : NSR disabled on neighbor X.X.X.X on standby RP due to Peer closing down the session (VRF: default)
RP/0/RSP0/CPU0:Dec 24 01:39:33.560 IST: bgp[1058]: %ROUTING-BGP-5-ADJCHANGE : neighbor X.X.X.X Down - BGP Notification sent, hold time expired (VRF: default) (AS: 64520)