Bug ID 481020: Traffic does not flow through VPN tunnel in environements where proxy server is load balanced

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
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, 11.5.1 HF5, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3

Fixed In:
12.0.0, 11.6.0 HF4, 11.5.1 HF6, 11.4.1 HF9

Opened: Sep 25, 2014
Severity: 3-Major
Related AskF5 Article:
K17487

Symptoms

VPN will appear to be established but no traffic will flow through the VPN tunnel.

Impact

No traffic flows through VPN tunnel.

Conditions

VPN is established through proxy server. DNS returns different IP address for subsequent name resolution query for proxy server.

Workaround

Use IP address for proxy server instead of name.

Fix Information

Resolved intermittent routing table issue that caused Traffic not to flow through tunnel if proxy server is load balanced.

Behavior Change