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Cisco Bug: CSCus76694 - 7600 passing multicast packet with incorrect MAC

Last Modified

Feb 05, 2017

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases

15.4(3)S

Description (partial)

Symptom:
7600 passing traffic with incorrect Multicast MAC

Conditions:
25th bit of Multicast MAC should be always 0, but in case if that is corrupted and becoming 1 7600 still allows it to pass through
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