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Cisco Bug: CSCvu70864 - Nexus 5596 continuous VSH process crash

Last Modified

Sep 10, 2020

Products (12)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5696Q Switch
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Known Affected Releases

7.3(6)N1(1)

Description (partial)

Symptom:
+Nexus 5596 with N5K-C5596UP-SUP running 7.3(6)N1(1)S0 has vsh process crashing constantly generating core files and the below log entry is visible

%$ VDC-1 %$ %VSHD-2-VSHD_SYSLOG_EOL_ERR: EOL function sec_show_users from library libsecuritycli.so exited due to Signal 11


+The VSH process crashes a lot that further core files cannot longer be saved because lack of space

+"show users" command cannot be executed and giving the below error

# show users
Internal error during command execution (11 8b)
#

+No specific trigger detected so far, the issue started after upgrading  from NX 7.1 to 7.3.6.N1.1

Conditions:
+Nexus 5596 with N5K-C5596UP-SUP running 7.3(6)N1(1)S0

+Issue started after upgrading from NX 7.1 to 7.3.6.N1.1
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