Open web browser and enter your DD-WRT router's IP ( Default 192.168.1.1 ) to access admin interface.
After you are logged into Admin interface, Go to Setup > Basic Setup
Under WAN Connection type, change connection type from "Automatic DHCP" to PPTP and fill in the gateway and VPN credentials.
Connection Type : PPTP
Use DHCP: Yes
Gateway (PPTP Server) : us-la1.switchnetwork.me ( List all VPN Gateways)
User Name: Your VPN Username
Password: Your VPN Password
PPTP Encryption/MPPE Encryption : Enabled
Under Optional Settings, Change MTU from Auto to Manual and value as "1400"
Scroll Down to "Network Address Server Settings ( DHCP )"
Set Static DNS 1: 220.127.116.11
Set Statis DNS 2: 18.104.22.168
Scroll down and click on apply settings and reboot the router.
VPN will be connected in 2-3 minutes after reboot. You can verify by visiting https://switchvpn.net/what-is-my-ip your new IP address.
If you require any assistance, Please feel free to contact support at email@example.com or on Live Chat. We are happy to help!