Bug ID 669510: When network changes after VPN is established, network access tunnel is closed when network access configuration has 'Allow local DNS servers' and 'Prohibit routing table changes during Network Access connection' options enabled.

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP None(all modules)

Known Affected Versions:
12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1

Fixed In:
13.1.0, 12.1.3.2

Opened: Jun 15, 2017

Severity: 3-Major

Symptoms

- When network changes after VPN is established, network access tunnel is closed when network access configuration has 'Allow local DNS servers' and 'Prohibit routing table changes during Network Access connection' options enabled.

Impact

- Network access tunnel is dropped due to routing table changes.

Conditions

- Allow local DNS servers' option is enabled in Network Access configuration. - Prohibit routing table changes during Network Access connection option is enabled in Network Access configuration. - Network changes after VPN is established.

Workaround

User needs to connect to VPN again.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips