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Cisco Bug: CSCvh59409 - CDB: MAC address of CDB SVI flaps on 3850 between two ports

Last Modified

Aug 19, 2019

Products (1)

  • Cisco Catalyst Digital Building Series Switches

Known Affected Releases

15.2(5)E

Description (partial)

Symptom:
Random MAC Flaps are noticed on upstream switch

Conditions:
IpV6 Neighbor Solicitation packets on the network, causing the packets to be software bridged. Not seen in pure ipv4 networks.
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