Tenda I-WL-D305 User Manual page 56

Step 3: Edit the Enter Service Description. This field is optional. We recommend that you keep the default.
Select a network protocol: IPv4 & IPv6 (Dual Stack). Click Next.
Step 4: Enter PPP username and its password provided by your ISP. Click Next.
Step 5: To configure the WAN gateway address. After you configure it click Next. The default setting is recommended.
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