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Nexus 4K - setsockopt IP_TOS 16 error sshd

Every weekend at specific time we observed the following message in the log in couple N4Ks. Have anyone see this?

I looked up in Cisco documentation but cannot find anything on it except I know TOS stands of Type Of Service?

2014 Aug 23 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[12418]
2014 Aug 23 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[12481]
2014 Aug 30 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[23063]
2014 Aug 30 03:00:12 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[23126]
2014 Sep  6 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[1244]
2014 Sep  6 03:00:12 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[1307]
2014 Sep 13 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[12070]
2014 Sep 13 03:00:12 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[12134]
2014 Sep 20 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22728]
2014 Sep 20 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22791]
2014 Sep 27 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[893]
2014 Sep 27 03:00:12 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[956]
2014 Sep 27 03:00:20 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[1013]
2014 Oct  4 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[11815]
2014 Oct  4 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[11877]
2014 Oct  4 03:00:20 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[11946]
2014 Oct 11 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22544]
2014 Oct 11 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22607]
2014 Oct 18 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[752]
2014 Oct 18 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[815]
2014 Oct 25 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[11581]
2014 Oct 25 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[11657]
2014 Nov  1 03:00:01 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22250]
2014 Nov  1 03:00:11 N4K %DAEMON-3-SYSTEM_MSG: error: setsockopt
IP_TOS 16: Invalid argument: - sshd[22313]

1 REPLY
New Member

Looks like Cisco bug:

Looks like Cisco bug: CSCso49144

https://tools.cisco.com/quickview/bug/CSCso49144

 

DAEMON-3-SYSTEM_MSG: error: setsockopt IP_TOS 16: Invalid argument: - s
CSCso49144
Symptom:
Users may see following error message when logging into a device running NX-OS via SSH
%DAEMON-3-SYSTEM_MSG: error: setsockopt IP_TOS 16: Invalid argument: - sshd

Conditions:
So far the only place where this error is observed is when user is logging into console via SSH

Workaround:
This error message is harmless and can simply be ignored. No known workaround exists or needed in the current release. Future releases NX-OS releases will fix this problem
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