are you trying to get client vpn on ubuntu to connect to MX100?   Meraki client VPN support is a bit lacking in a lot of areas - not sure if this thread helps you:   https://www.reddit.com/r/meraki/comments/9hd1x0/client_vpn_on_ubuntu/   we've tried using Microsofts inbuilt client in Win 10 which does work except for an issue in windows which changes the configuration back to a default setting which doesn't work.  ... View more