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Cisco Bug: CSCut29532 - FlexLink and QinQ breaks communication on 3850

Last Modified

Aug 12, 2017

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases


Description (partial)

- on dot1q-tunnel interface in egress direction the outer tag (Service Provider's VLAN ID) is not stripped when forwarding traffic to Customer's equipment

- 3850 with 03.06.00 or 03.06.01 or 03.07.00
- QinQ is configured
- FlexLink is configured on dot1q-tunnel interface

interface GigabitEthernet1/0/1
 switchport access vlan 1082
 switchport mode dot1q-tunnel
 switchport backup interface Gi1/0/3 <================= FlexLink configured
 l2protocol-tunnel cdp
 l2protocol-tunnel stp
 no cdp enable
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  • Status
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