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Cisco Bug: CSCvu93346 - IOSd/ARP Snoop crash in access_tunnel_oqueue

Last Modified

Oct 16, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

16.12.3

Description (partial)

Symptom:
Cat9300 switch controlled by DNAC might reboot unexpectedly when processing ARP packet. 
In the crashinfo file generated for the crash we see:

UNIX-EXT-SIGNAL: Segmentation fault(11), Process = ARP Snoop

Conditions:
The issue was seen on Catalyst 9300 in the SDA environment while processing the ARP packet that is sent to the CPU.
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