Bug ID 893341: BIG-IP VE interface is down after upgrade from v13.x with workaround for Bug ID 774445

Last Modified: Jul 23, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP Install/Upgrade, VE(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 16.0.0,, 16.0.1,,, 16.1.0

Opened: Mar 27, 2020
Severity: 3-Major


You have BIG-IP Virtual Edition (VE) v13.1.x affected by Bug ID 774445, and its workaround is in place. echo "device driver vendor_dev 15ad:07b0 unic" >> /config/tmm_init.tcl After upgrading to a newer version, interfaces are down.


Interfaces are down.


-- VE is configured with the workaround described in Bug ID 774445: BIG-IP Virtual Edition does not pass traffic on ESXi 6.7 Update 2 :: https://cdn.f5.com/product/bugtracker/ID774445.html. -- Apply the workaround described in K74921042: BIG-IP VE may fail to process traffic after upgrading the VMware ESXi 6.7 host to Update 2 (or later) :: https://support.f5.com/csp/article/K74921042.


1. Edit the /config/tmm_init.tcl file and change the following line: device driver vendor_dev 15ad:07b0 unic To this: device driver vendor_dev 15ad:07b0 sock 2. Reboot into into the new software version. 3.Restart TMM: bigstart restart tmm

Fix Information


Behavior Change