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.
Workaround
Identify source of ARP storm and stop it.
Further Problem Description
This bug has absolutely nothing to do with Proxy ARP or DHCP or MAC address or limitation of ARP table entries.
This is a code defect. The trigger is easily seen during ARP storm. The crash can happen without evident of ARP storm in less frequency.
