Symptoms

If you disable, then enable synchronization within 10 seconds, synchronization becomes disabled for all systems except one in a sync group.

Impact

The synchronization of the device group will be accidentally disabled.

Conditions

Disabling and enabling synchronization within 10 seconds on one of the GTMs in a sync group.

Workaround

After disabling synchronization on a system in a sync group, if you want to add it back, do so within 5 seconds or wait 15 seconds. For more information, see SOL15467: The BIG-IP GTM Synchronization option may stay in the disabled state after being re-enabled, available here https://support.f5.com/kb/en-us/solutions/public/15000/400/sol15467.html.

Fix Information

None

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips