Bug ID 675399: Network Access does not work when empty variables are assigned for WINS and DNS

Last Modified: Apr 28, 2025

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.3.2

Opened: Jul 24, 2017

Severity: 3-Major

Related Article: K14304639

Symptoms

Network Access does not work when empty variables are assigned for WINS and DNS.

Impact

The system does not parse the XML tags correctly. Users may not be able establish VPN tunnel.

Conditions

If the admin configures empty values for WINS or DNS in the Variable Assign agent in the VPE.

Workaround

Do not leave the DNS or WINS values empty in the Variable assign Agent.

Fix Information

APM now correctly handles the condition where an empty string is assigned for WINS and/or DNS in the Variable Assign policy agent.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips