Bug ID 483719: vlan-groups configured with a single member VLAN result in memory leak

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
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, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 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

Fixed In:
12.0.0, 11.6.1, 11.5.4

Opened: Oct 09, 2014
Severity: 2-Critical
Related AskF5 Article:
K16260

Symptoms

If a vlan-group contains only a single member VLAN, tmm begins to leak memory as observed in 'tmctl memory_usage_stat'.

Impact

Continuous memory leaks might eventuallyresult in traffic disruptions.

Conditions

Configure a vlan-group with a single member VLAN.

Workaround

Remove vlan-groups containing a single member VLAN or configure at least two member VLANs per vlan-group

Fix Information

Single-member vlan-groups no longer leak memory.

Behavior Change