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Cisco Bug: CSCuo85450 - Nexus 5K/6000 crash with arp hap reset

Last Modified

Oct 02, 2020

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

7.0(1)N1(1) 7.0(2)

Description (partial) 

Symptom:
A Nexus 5K/6000 switch might reload with following hap reset:

`show system reset-reason`
----- reset reason for Supervisor-module 1 (from Supervisor in slot 1) ---
1) At 141764 usecs after Wed May 14 03:21:41 2014
    Reason: Reset triggered due to HA policy of Reset
    Service: arp hap reset
    Version: 7.0(1)N1(1)

Conditions:
Gratuitious ARP storms are suspected as the trigger for this issue.

Related Community Discussions

<key>CSCuo85450</key> - Nexus 5K/6000 crash with arp hap reset
I just experienced a issue looks like same exactly as it. I have pair of 5k running on code  Software BIOS: version 3.6.0 loader: version N/A kickstart: version 7.0(1)N1(1) system: version 7.0(1)N1(1) Power Sequencer Firmware: Module 1: version v2.0 Module 3: version v5.0 Microcontroller Firmware: version v1.2.0.1 SFP uC: Module 1: v1.0.0.0 QSFP uC: Module not detected BIOS compile time: 05/09/2012 kickstart image file is: bootflash:///n5000-uk9-kickstart.7.0.1.N1.1.bin kickstart compile time: 3/19/2014 ...
Latest activity: Mar 31, 2016
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