Bug ID 748891: Traffic bridged between VLANs in virtual-wire setups may have the wrong destination MAC in packets that egress from the BIG-IP system.

Last Modified: Oct 24, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2

Fixed In:
15.0.0, 14.1.2.1

Opened: Nov 05, 2018
Severity: 3-Major

Symptoms

Potential MAC relearning at the switches the BIG-IP system is connected to.

Impact

Packets reach their L3 destination using an unexpected L2 path.

Conditions

-- DB variable connection.vlankeyed set to disabled. -- Multiple virtual-wires configured on the BIG-IP system. -- Client to server and server to client traffic using different virtual wires on the BIG-IP system.

Workaround

None.

Fix Information

Connflow next hop and previous hop updates are now done in the correct order for virtual wires.

Behavior Change