Guest

Preview Tool

Cisco Bug: CSCvu02443 - IP ARP Inspection validate drops ARP reply packets even when Arp inspection is disabled.

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

16.9.4 16.9.5

Description (partial)

Symptom:
Switch drops ARP reply packets with mac address in header different than the mac address in ARP info while the arp inspection is not enabled for the vlan.

Conditions:
ip arp inspection validate src-mac dst-mac ip
ip arp inspection log-buffer entries 50

ip dhcp snooping vlan 10
ip dhcp snooping

ANCHOVY#sh ip arp ins

Source Mac Validation      : Enabled
Destination Mac Validation : Enabled
IP Address Validation      : Enabled
No active or enabled vlans on switch.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.