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Cisco Bug: CSCvt10065 - DOC - Firepower 9300/4100 appliances supports only a single vlan tag

Last Modified

Jun 03, 2020

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases

6.4.0.7

Description (partial)

Symptom:
The Firepower 9300/4100 appliances supports only a single vlan tag. If there are multiple tagged Ethernet frames reaching the appliance (e.g. inline-pair), these are being process only via RX0/TX0 ring causing poor performance.

Conditions:
Multiple tagged Ethernet frames (e.g. QinQ, MPLS, etc) are crossing the Firepower appliance regardless of FTD or ASA
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