Bug ID 1322157: Datapath is interrupted on deleting and readding Static LAG members on R2x00/R4x00 platforms.

Last Modified: Jan 29, 2026

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

Known Affected Versions:
F5OS-A 1.3.2, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.5.4

Opened: Jul 19, 2023

Severity: 2-Critical

Symptoms

When you delete and re-add members of a Static LAG on R2x00/R4x00 platforms, tenants using the Static LAG will have datapath interrupted till the tenant is rebooted.

Impact

Datapath using the static LAG on which members are deleted and re-added is interrupted until the next reboot of tenant.

Conditions

1. Static LAG is configured on R2x00/R4x00 platform. 2. Tenants are configured with the static VLAN. 3. Once datapath starts working, delete and re-add members of the Static LAG on F5OS.

Workaround

1. Save the config on the tenant and move the tenant to configured state and back to deployed state. 2. Reboot the tenant.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips