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Cisco Bug: CSCsz36224 - ARP Probe unicast replies forwarded to all vlan access ports

Last Modified

Mar 24, 2010

Products (1)

  • Cisco Catalyst 4000 Series Switches

Known Affected Releases

12.2(50)SG1

Description (partial)

Symptom:
When IP device tracking is enabled, ARP replies unicast to the switch are wrongly flooded out on all the ports of the VLAN.

Conditions:
This issue happens, whenever ARP replies are unicatst to the switch by Linux clients. Please note this does not happen with Windows clients.
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