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Cisco Bug: CSCum64405 - Multiple IP's Behind a Single MAC

Last Modified

Apr 17, 2019

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH

Description (partial) 

Symptom:
This issue is found after one MAC multiple IP applied, sometime traffic from different IP (same MAC) will be failed.
ARP table keep flapping.

Conditions:
Multiple IP bind to same MAC.  (One DHCP, others are static addresses, or all of IP are static addresses).
traffic from multiple IP at the same time.
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