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Cisco Bug: CSCuq54085 - MAC is not learnt from ARP with QinQ and DAI enabled

Last Modified

Nov 27, 2020

Products (1)

  • Cisco ME 3400 Series Ethernet Access Switches

Known Affected Releases

12.2(1.60.0)

Description (partial)

Symptom:
MAC is not learnt from ARP packets with QinQ and DAI enabled

Conditions:
When DAI is enabled, MAC address is not learnt from ARP packet:
- on regular trunk interface and when frame is double tagged 
- on port with "mode dot1q-tunnel" configuration and when frame is with one tag

Problem is seen when DAI si enabled for any vlan
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