Bug ID 2037409: Tmctl tables are corrupted for large cluster size and tmm memory shows 0

Last Modified: Sep 04, 2025

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

Known Affected Versions:
17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2

Opened: Aug 25, 2025

Severity: 2-Critical

Symptoms

When a BIG-IP is deployed on a large cluster with 5 or more blades on VELOS chassis platforms, the following tables are shown as corrupted: tmctl -d blade tmm/sdaglib_mirror_table tmctl -d blade tmm/sdaglib_did_info tmctl -d blade ipfix_destination_stats tmctl -d blade tmm/sctp tmctl -d blade tmm/lac The command tmsh show sys tmm-info; shows 0 tmm memory Memory (bytes) tmsh show sys tmm-info

Impact

Any data presented to user based on the impacted tables will be indicating incorrect data.

Conditions

When using F5 VELOS Chassis platforms installed and deployed with BIG_IP with a number of blades 5 or above.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips