Bug ID 428498: TCP stalls in tagged vlan-group with unic

Last Modified: Jul 12, 2023

Affected Product(s):
BIG-IP MA-VE(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Opened: Aug 21, 2013

Severity: 3-Major

Symptoms

1. Error in tmm log - ifoutput(992): Invalid TSO type error 2. Performance degradation or traffic may not pass.

Impact

Performance degradation or traffic stall.

Conditions

1. Guest vlan tagging is in use. 2. For fastL4 profile, tm.tcplargereceiveoffload DB variable set to enable.

Workaround

Use one of the following: 1. Use host vlan tagging instead of guest vlan tagging. 2. Set tm.tcplargereceiveoffload DB to disable. For some synthetic NICs #2 may not work and #1 is preferable.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips