Bug ID 679074: VPN tunnel cannot be established if allow local DNS is enabled and only one DNS is specified on client

Last Modified: May 01, 2019

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5

Opened: Aug 17, 2017
Severity: 3-Major
Related AskF5 Article:
K04024241

Symptoms

VPN tunnel cannot be established if 'allow local DNS' is enabled and only one DNS is specified on client on macOS High Sierra.

Impact

VPN tunnel cannot be established.

Conditions

-- VPN tunnel. -- macOS High Sierra. -- Only one DNS configured (either manually or by DHCP) on client machine. -- Allow local DNS server configured in access policy.

Workaround

Use either of the following workarounds: -- Configure two DNS servers. -- Disallow local DNS servers.

Fix Information

None

Behavior Change