Bug ID 1965329: TMM may crash when re-declaring an LTM policy with a data-group

Last Modified: Oct 15, 2025

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

Known Affected Versions:
17.1.2.1, 17.1.2.2, 17.1.3

Opened: Jun 03, 2025

Severity: 2-Critical

Symptoms

TMM may crash when re-declaring an LTM policy with a data-group.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- AS3 declaration that has a VIP with an LTM policy that uses a data-group. -- The policy is re-declared while there is traffic on the VIP

Workaround

Declare while no traffic is on the VIP Use iRules instead of LTM policies to access the data-group

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips