Bug ID 515736: LSN pool with small port range may not use all ports

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.1 HF1, 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, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.4.1, 11.6.0, 11.6.1, 11.6.2, 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, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.1 HF1, 11.5.4 HF2

Opened: Apr 01, 2015

Severity: 3-Major

Symptoms

When LSN pool port range is small, some ports may not be used for translation.

Impact

Even though free ports are available, they are not used for translation and the connection fails

Conditions

LSN pool port range is small.

Workaround

Set the LSN pool port range to default value of 1025 - 65535

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips