November 8, 2017
The Peer is Not Responding to Phase 1 ISAKMP Requests

I got this error when trying to connect using my VPN client tool (Dell SonicWall Global VPN Client). It fails when I am connected to the internet via our Home broadband (Foxtel) but it connects successfully when I am connected to mobile data hotspot (Vodafone). I found two ways to overcome this error Configure the VPN