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Controller loses contact with network ARP entry for default gateway becomes incorrect

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TitleController loses contact with network ARP entry for default gateway becomes incorrect
Symptoms
  • Controller loses contact with network ARP entry for default gateway becomes incorrect
  • Connectivity at layer 2 is ok
  • ARP entry for default gateway matches MAC of a wireless client
Environment
  • identiFi wireless
  • ARP entry for controllers gateway is incorrect
  • Bridge at controller
  • Route at controller
  • Strict subnet adherence disabled

 
Cause
Strict subnet adherence disabled.
Resolution
In all "at controller" topologies, enable strict subnet adherence in the l3 settings.
 
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