Tenda W308R User Manual page 29

11N Wireless Broadband Router User Guide
DNS server: Enter the necessary DNS server
provided by your ISP.
Alternate DNS server: Enter the second DNS
address if your ISP provides, which is optional.
Dynamic IP (Via DHCP)
If your connection mode is Dynamic IP, it means every
time you access the Internet, you will get a different IP.
You don't need to enter any parameters in this mode,
just Click "Ok" to finish the settings.
PPTP
24