Bug ID 836661: Incorrect source MAC used when the BIG-IP system in L2 transparent mode generates a TCP RST packet.

Last Modified: Nov 01, 2019

Bug Tracker

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

Known Affected Versions:
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, 14.1.2.1, 15.0.0, 15.0.1

Opened: Oct 10, 2019
Severity: 3-Major

Symptoms

Packet with unexpected source MAC is seen on the adjacent node to the BIG-IP system.

Impact

Incorrect source MAC is used. Possible impacts to services on nodes adjacent to the BIG-IP system if policy decisions on those nodes are made with the source MAC of the received packet as input.

Conditions

-- The BIG-IP system is configured in an L2 transparent mode using virtual wires. -- Traffic forwarded between client and server in an asymmetric manner across virtual wires.

Workaround

None.

Fix Information

None

Behavior Change