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KB40827 - Failed to establish L3 VPN in Chrome OS with error "Invalid tunnel parameters"

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Last Modified Date7/28/2017 1:18 AM
Synopsis
This article provides information when VPN users fail to establish L3 VPN in Chrome OS using Pulse client while receiving the error "Invalid tunnel parameters"
Problem or Goal
If users are using Chromebook OS with Pulse, when attempting an L3 VPN connection, they are unable to connect and receive an error "Invalid tunnel parameters" on the Pulse UI.
Cause
This issue occurs because Chrome OS client requires a non-null value for "DNS Domains" that is configured in the PCS device. This is configured under Resource Policies > VPN Tunneling Connection Profiles > [Profile Name] > DNS Settings
Solution
To resolve this issue, please follow one of the steps below:
  • Under the VPN Tunneling Connection Profiles, if Manual DNS Settings is selected, configure DNS Domain(s) with appropriate Internal DNS domain names
  • If PCS DNS Settings is selected, configure the DNS Domains(S) under System > Network > Overview
Related Links
Attachment 1 
Created ByMalcolm Stephen

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