Bug ID 488931: TMM may restart when MPTCP traffic is being handled.

Last Modified: Aug 19, 2026

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

Known Affected Versions:
11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Fixed In:
12.0.0

Opened: Nov 06, 2014

Severity: 1-Blocking

Symptoms

There are some conditions where when multi-path TCP (MPTCP) traffic is being handled by an MPTCP-enabled virtual server might cause TMM to restart.

Impact

The TMM might restart when this condition occurs.

Conditions

MPTCP traffic is being handled by a L7 virtual server.

Workaround

None.

Fix Information

TMM may restart when multi-path TCP (MPTCP) traffic is being handled.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips