Bug ID 435993: Tunnel recipient drops encapsulated traffic instead of forwarding

Last Modified: Nov 22, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9, 11.2.1 HF16

Opened: Oct 30, 2013
Severity: 3-Major
Related Article:
K14985

Symptoms

It is possible for the GRE tunnel to decapsulate SYN packets to wrong tmm, causing intermittent failures when accessing the local virtual server on CMP systems.

Impact

TMM suffers packet/xfrag leakage over time and eventually cores due to out of memory.

Conditions

This occurs on CMP systems.

Workaround

None.

Fix Information

Establishment of CMP-redirected flows no longer erroneously expires/replaces NOEXPIRE flows, so this probably no longer occurs.

Behavior Change