Bug ID 1121209: MTU value update on VLAN in tenant launched on r2k and r4k systems needs tmm restart

Last Modified: Apr 26, 2024

Affected Product(s):
F5OS LTM(all modules)

Known Affected Versions:
15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,, 17.1.0,,,, 17.1.1,,,

Opened: Jun 23, 2022

Severity: 3-Major


Updating the MTU on a VLAN in a BIG-IP tenant requires a tmm restart.


Jumbo frames feature support impacted.


Tenants launched on R2x00 or R4x00 appliances and configured to use Jumbo Frames.


- Update the MTU value on the VLAN via the tenant's CLI (tmsh) or UI. - Restart tmm.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips