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Cisco Bug: CSCvv82776 - Nexus 7k crashes due to AAA timeouts for Tacacs Daemon

Last Modified

Oct 08, 2020

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

8.2(5)

Description (partial)

Symptom:
TACACS Daemon process crashes with the following logs:

2020 Sep 13 07:24:28.155 SDY-TNG-Nexus-A %SYSMGR-3-BASIC_TRACE: heartbeat_check: PID 6003 with message failed to write kernel trace to /var/sysmgr/tmp_logs/0x505_aaa_kernel-trace.26259. return value -1 . 
2020 Sep 13 07:24:28.156 SDY-TNG-Nexus-A %SYSMGR-3-HEARTBEAT_FAILURE: Service "AAA Daemon" sent SIGABRT for not setting heartbeat for last 6 periods. Last heartbeat 414.07 secs ago.
2020 Sep 13 07:24:29.388 SDY-TNG-Nexus-A %DAEMON-2-SYSTEM_MSG: fatal: Write failed: Broken pipe .Client is 10.138.113.92,length of packet causing error -1 80  - dcos_sshd[31119]

Conditions:
Customer running Nxos 8.2(5) on Nexus 7k is receiving continuous ssh attempts. During this, the TACACs Daemon crashes due AAA timeout
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