Bug ID 1343693: Intermittent TMM crash seen when SNAT Pool member profile changed from TCP to UDP in secure context.

Last Modified: Nov 29, 2025

Affected Product(s):
BIG_IP_NEXT(CNF) CNF(all modules)

Fixed In:
1.4.0

Opened: Aug 30, 2023

Severity: 3-Major

Symptoms

Intermittent TMM crash seen when SNAT Pool member profile changed from TCP to UDP in secure context.

Impact

Intermittent TMM crash causing traffic failure for UDP traffic. This kind of operation is not typically performed in deployments.

Conditions

Steps to Reproduce: 1. Apply snat pool member secure context with profile tcp 2. send TCP traffic and works fine 3. change profile to UDP and apply 4. send UDP traffic and observed tmm crash is seen. 5. after tmm recovers 6. send UDP traffic , first time traffic failed 7. send UDP traffic again , it works fine.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips