Guest

Preview Tool

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

15.2(3)E

Description (partial)

Symptom:
- 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

Conditions:
- 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
!
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.