Bug ID 905893: Modification of SmartNIC MTU not supported

Last Modified: Dec 13, 2023

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

Known Affected Versions:
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, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3

Opened: May 04, 2020

Severity: 5-Cosmetic

Symptoms

During initialization, the SmartNIC driver reports a fixed MTU size. This prevents the MTU from being modified and results in the following error message in /var/log/tmm: bigip1 notice xnet[00:08.0]: Error: Command 14 failed: 5

Impact

Jumbo frames are not supported by SmartNIC.

Conditions

This error message is generated each time TMM is started or restarted.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips