Cisco Bug: CSCun82902 - ARP packet forwarded although the ports have "switchport protected'
Nov 27, 2020
- Cisco Catalyst 3850 Series Switches
Known Affected Releases
3.2(1)SE 3.3(1)SE 3.3(2)SE
Symptom: ARP packet is forwarded although the ports have "switchport protected' configuration Conditions: When IPDT is enabled and "switchport protected" configured on both incoming and outgoing port. This issue also triggers with Dyanmic Arp inspection and switchport protect configuration on incoming and outgoing port. Please note that IPDT is on by default on 3850 switch.
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Bug Details Include
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