Bug ID 1575269: Cannot create a route-domain and modify VLAN MTU in a single transaction

Last Modified: Oct 15, 2025

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

Known Affected Versions:
17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3

Opened: Apr 03, 2024

Severity: 3-Major

Symptoms

Config restore fails in the BIG-IP tenant while restoring from UCS. The error message: load_config_files[24392]: "/usr/bin/tmsh -n -g -a load sys config partitions all " - failed. -- 01070712:3: Cannot set MTU for <vlan> to <number> in <route domain> - ioctl failed: No such device Unexpected Error: Loading configuration process failed.

Impact

When performing the change as a transaction, the transaction fails. When performing a config restore via a UCS load, config restore fails.

Conditions

-- Using tmsh transactions -- Setting the route domain and the MTU for a VLAN in a single transaction

Workaround

Before restoring, create the route-domain or modify the MTU setting ahead of time, and then load the UCS file.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips