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Cisco Bug: CSCvv79519 - arp_cache overflow causing DNS resolution to fail

Last Modified

Oct 11, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases

DNAC1.3.3.6

Description (partial)

Symptom:
Cisco DNA Center's Kong service may encounter some DNS resolution failures.  These may be logged in the dmesg and journalctl files, as well.  The errors read, "kernel: neighbour: arp_cache: neighbor table overflow!"

Conditions:
This was observed in Cisco DNA Center 1.3.3.6.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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