TP-Link TL-MR3420 User Manual page 26

Chapter 4
• Set the Dial Number and APN manually
and APN (Access Point Name) if your ISP is not listed or the default values are not the
latest.
• Dial Number - Enter the dial number provided by your ISP.
• APN - Enter the APN provided by your ISP.
• Username/Password
• MTU Size - The default value is 1480. Keep the default one unless required to change
by your ISP.
• Use The Following DNS Servers
server IP address for you.
• Primary DNS - Enter the DNS IP address provided by your ISP.
• Secondary DNS - (Optional)
If your 3G/4G USB modem is not supported by the router, please follow the steps below
to have further configuration.
- Select this check box to fill in the dial number
- Enter the username and password provided by your ISP.
- Select this check box if your ISP specifies a DNS
Enter another DNS IP address provided by your ISP.
Configure the Router
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