Bug ID 760078: Incorrect source MAC used when the BIG-IP in L2 transparent mode generates a TCP RST packet.

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2

Fixed In:
15.0.0, 14.1.2.1

Opened: Feb 28, 2019

Severity: 2-Critical

Symptoms

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

Impact

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

Conditions

- BIG-IP 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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips