Bug ID 460197: BIG-IP Stratos 2200s and 4200v LTM xdata memory leak

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
10.2.1, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4

Fixed In:
11.6.0, 11.6.0, 11.5.1 HF5, 11.4.1 HF6, 11.2.1 HF15

Opened: May 01, 2014
Severity: 2-Critical
Related Article:
K15955

Symptoms

This applies only to Stratos 2200s and 4200v platforms. Resetting connections with compressed content might not perform a complete clean-up.

Impact

The incomplete reset results in orphaned xfrags and active_requests growing without bound. New requests on the affected virtual server will stall.

Conditions

Manifests when there is a reset on the flow. The resets slowly accumulate xfrags and active_requests.

Workaround

none

Fix Information

active_requests is updated when a flow using hardware acceleration is reset.

Behavior Change