Bug ID 663738: Running 'show' commands immediately following a UCS load might cause TMSH to hang.

Last Modified: Sep 14, 2023

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,,,,, 14.1.5,,,,,

Opened: May 09, 2017

Severity: 3-Major


TMSH hangs while doing a 'show' command (e.g., show net route).


TMSH becomes unresponsive. Note: You can kill the unresponsive TMSH using the following command: kill -9.


Executing a 'show' command immediately following a UCS load operation.


Wait for the UCS to completely load and the BIG-IP system to be ready before running a 'show' command.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips