Bug ID 1124837: Detaching-then-reattaching VLAN on an active LACP trunk on r2k and r4k systemsneeds tmm restart

Last Modified: May 29, 2024

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

Fixed In:
17.1.0

Opened: Jul 07, 2022

Severity: 2-Critical

Symptoms

On an active LACP trunk with VLAN configured, Detaching-then-reattaching the VLAN stops the traffic flow to the tenant launched on R2x00/R4x00 based appliances.

Impact

Traffic flow gets impacted and misses the packets routed onto the LACP trunk on which the VLAN was reconfigured.

Conditions

On working LACP trunk with VLAN configured, Detaching-then-reattaching the VLAN on an active LACP trunk on R2x00/R4x00 appliances.

Workaround

- Through ConfD CLI, Detach-then-reattach VLAN on a trunk. - Restart tmm in the tenants launched pertaining to the trunk.

Fix Information

Detach-then-reattach a VLAN on configured LACP trunk stops traffic flow on an R2x00/R4x00 appliance system, restarting tmm in the tenants resolves the issue.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips