Example L2TP config for Ubiquiti EdgeRouter/USG

gistfile1.txt

l2tp {
    remote-access {
        authentication {
            local-users {
                username TheUserName {
                    password ThePassword
                }
            }
            mode local
            require mschap-v2
        }
        client-ip-pool {
            start 192.168.1.141
            stop 192.168.1.150
        }
        dhcp-interface eth0
        dns-servers {
            server-1 192.168.1.2
            server-2 192.168.1.3
        }
        ipsec-settings {
            authentication {
                mode pre-shared-secret
                pre-shared-secret TheSecretKey
            }
            ike-lifetime 3600
        }
        mtu 1024
    }
}