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Cisco Bug: CSCvi02107 - ASA 5506 - IRB - subinterface change affects bridge-group1 on physical interface

Last Modified

Jul 26, 2019

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.8(2) 9.9(1)

Description (partial)

Symptom:
ASA 5506 using integrated routing and bridging (9.7 and higher code) with trunking (sub interfaces) configured on an interface that is using bridge groups, traffic may stop working across that interface on the bridge-group.

Conditions:
- ASA 5506 using integrated routing and bridging (9.7 and higher)
- Bridge group 1 configured on a physical interface
- Sub-interface on that interface (trunking)
- Configuration of the sub-interface (configuring nameif) for a different vlan
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