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Cisco Bug: CSCvr91837 - Internally Create C-VLAN MVID for VLAN Translation

Last Modified

Sep 01, 2020

Products (1)

  • Cisco Catalyst 9400 Series Switches

Known Affected Releases

17.1.1 17.2

Description (partial)

Symptom:
A trunk interface, which has One-to-One VLAN mapping configured, transmits flood traffic sourced from C-VLAN.

Conditions:
Symptom occurs when a trunk interface, with One-to-One VLAN mapping configured, has both C-VLAN and S-VLAN in the VLAN allowed list.
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