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Cisco Bug: CSCvs97403 - Multicast flooding happening even when Mac entry is present in the hardware.

Last Modified

Sep 11, 2020

Products (1)

  • Cisco Catalyst 9300 Series Switches

Known Affected Releases

16.12.1

Description (partial)

Symptom:
Lot of network instability is seen in with AVB devices(Biamp Gear) connected to Cisco 9300 and 3850 switches.

Biamp Devices like Tesira and Forte connected to 9300 switch running AVB and configured with gPTP.

Conditions:
DI looks same for all the multicast originating from the same source. Even though the Mac address entry is present, flooding is happening.

9300 switch running 16.12.1 version.
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