Thanks Randy for your mail
We Observed few BGP peering flapped but now its stable .
Please keep us posted for any further update
[email protected]> show log messages | match 206.41.108.76 | last 40
Jan 13 02:02:19 bbr02.tm01.mia01-re0 rpd[26930]: BGP_IO_ERROR_CLOSE_SESSION: BGP peer 206.41.108.76 (External AS 54113): Error event Operation timed out(60) for I/O session - closing it (instance master)
Jan 13 02:02:19 bbr02.tm01.mia01-re0 rpd[26930]: RPD_BGP_NEIGHBOR_STATE_CHANGED: BGP peer 206.41.108.76 (External AS 54113) changed state from Established to Idle (event HoldTime) (instance master)
Jan 13 02:02:19 bbr02.tm01.mia01-re0 rpd[26930]: bgp_io_mgmt_cb:2380: NOTIFICATION sent to 206.41.108.76 (External AS 54113): code 4 (Hold Timer Expired Error), Reason: holdtime expired for 206.41.108.76 (External AS 54113), socket buffer sndacc: 38 rcvacc: 0 , socket buffer sndccc: 38 rcvccc: 0 TCP state: 4, snd_una: 1694725490 snd_nxt: 1694725509 snd_wnd: 64128 rcv_nxt: 1331733848 rcv_adv: 1331750232, hold timer 60s, hold timer remain 0s, last sent 15s, TCP port (local 179, remote 55907), JSR handle (primary 3026418952311668737, secondary 11096869482294673409)
Jan 13 02:26:16 bbr02.tm01.mia01-re0 rpd[26930]: RPD_BGP_NEIGHBOR_STATE_CHANGED: BGP peer 206.41.108.76 (External AS 54113) changed state from EstabSync to Established (event RsyncAck) (instance master)
Jan 13 02:26:16 bbr02.tm01.mia01-re0 kernel: jsr_action_replicate: Pri handle 0x1001a4d0000001e Sec handle 0x10019be0000001c fd 237 for connection (206.41.108.15:51290-206.41.108.76:179)
Jan 13 02:40:53 bbr02.tm01.mia01-re0 mgd[51643]: UI_CMDLINE_READ_LINE: User 'sjani', command 'show log messages | match 206.41.108.76 | last 40 '
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{master}
[email protected]> show log messages | match 2001:504:40:108::1:61 | last 40
Jan 13 02:03:05 bbr02.tm01.mia01-re0 rpd[26930]: BGP_IO_ERROR_CLOSE_SESSION: BGP peer 2001:504:40:108::1:61 (External AS 11096): Error event Operation timed out(60) for I/O session - closing it (instance master)
Jan 13 02:03:05 bbr02.tm01.mia01-re0 rpd[26930]: RPD_BGP_NEIGHBOR_STATE_CHANGED: BGP peer 2001:504:40:108::1:61 (External AS 11096) changed state from Established to Idle (event HoldTime) (instance master)
Jan 13 02:03:05 bbr02.tm01.mia01-re0 rpd[26930]: bgp_io_mgmt_cb:2380: NOTIFICATION sent to 2001:504:40:108::1:61 (External AS 11096): code 4 (Hold Timer Expired Error), Reason: holdtime expired for 2001:504:40:108::1:61 (External AS 11096), socket buffer sndacc: 57 rcvacc: 0 , socket buffer sndccc: 57 rcvccc: 0 TCP state: 4, snd_una: 3219721324 snd_nxt: 3219721381 snd_wnd: 31400 rcv_nxt: 238646128 rcv_adv: 238662512, hold timer 90s, hold timer remain 0s, last sent 26s, TCP port (local 55881, remote 179), JSR handle (primary 2161727823655206913, secondary 10232178353638211585)
Jan 13 02:27:13 bbr02.tm01.mia01-re0 rpd[26930]: RPD_BGP_NEIGHBOR_STATE_CHANGED: BGP peer 2001:504:40:108::1:61 (External AS 11096) changed state from EstabSync to Established (event RsyncAck) (instance master)
Jan 13 02:27:13 bbr02.tm01.mia01-re0 kernel: jsr_action_replicate: Pri handle 0x1001a5c00000081 Sec handle 0x10019cd0000002b fd 227 for connection (2001:504:40:108::1:15:51668-2001:504:40:108::1:61:179)
Jan 13 02:41:29 bbr02.tm01.mia01-re0 mgd[51643]: UI_CMDLINE_READ_LINE: User 'sjani', command 'show log messages | match 2001:504:40:108::1:61 | last 40 '
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206.41.108.16 16509 965 140 0 1 10:09 Establ
206.41.108.17 20940 53 140 0 1 10:03 Establ
206.41.108.20 21928 14810 15363 0 15 5d 2:07:39 Establ
206.41.108.23 6939 18690 141 0 1 10:08 Establ
206.41.108.27 32787 1202 154 0 1 10:27 Establ
206.41.108.61 11096 98 142 0 1 10:27 Establ
206.41.108.64 45474 114 140 0 1 10:17 Establ
206.41.108.76 54113 39 154 0 1 10:27 Establ
206.41.108.110 52468 420 141 0 1 10:28 Establ
206.41.108.146 7195 4782 140 0 1 10:11 Establ
206.41.108.163 396998 1102 139 0 2 9:56 Establ
2001:504:40:108::1:16 16509 227 88 0 1 10:17 Establ
2001:504:40:108::1:17 20940 29 87 0 1 10:02 Establ
2001:504:40:108::1:23 6939 55058 53 0 1 10:16 Establ
2001:504:40:108::1:27 32787 84 100 0 1 10:17 Establ
2001:504:40:108::1:61 11096 27 85 0 1 9:31 Establ
2001:504:40:108::1:76 54113 40 100 0 1 10:25 Establ
2001:504:40:108::1:110 52468 234 88 0 1 10:27 Establ
2001:504:40:108::1:153 263237 54 88 0 4 10:26 Establ
2001:504:40:108::1:163 396998 54 87 0 1 10:03 Establ
Regards,
Sunny Jani
Network Reliability Engineering
IBM Cloud Infrastructure
IBM Cloud
[email protected]mailto:[email protected]
From: Randy Epstein
