Bug ID 1156697: Translucent VLAN groups may pass some packets without changing the locally administered bit

Last Modified: May 29, 2024

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

Known Affected Versions:
14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 17.0.0, 17.0.0.1, 17.0.0.2

Fixed In:
17.1.0, 16.1.4, 15.1.9

Opened: Sep 20, 2022

Severity: 2-Critical

Symptoms

Translucent VLAN groups may pass some packets without changing the locally administered bit.

Impact

Connections may fail, packet captures show the packets being egressed the VLAN group with the locally administered bit set.

Conditions

The destination mac address of the ingress packet does not match the nexthop.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips