Ii-1-2-6 Details Page For 3G/4G Usb Modem (Ppp Mode) In Usb Wan - Draytek Vigor2762 series User Manual

PPP Setup
IP Address Assignment
Method(IPCP)
WAN IP Network Settings
After finishing all the settings here, please click OK to activate them.

II-1-2-6 Details Page for 3G/4G USB Modem (PPP mode) in USB WAN

II-1-2-6 Details Page for 3G/4G USB Modem (PPP mode) in USB WAN
To use 3G/4G USB Modem (PPP mode) as the accessing protocol of the internet, please
choose Internet Access from WAN menu. Then, select 3G/4G USB Modem (PPP mode) for
WAN5. The following web page will be shown.
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transmit path.
Click Detect to open the following dialog.
 Path MTU to – Type the IP address as the specific
transmit path.
MTU reduce size by – It determines the decreasing

size of MTU value. For example, the number specified
in this field is "8". The maximum MTU size is "1500".
After clicking the "detect" button, the system will
calculate and get the suitable MTU value such as 1500,
1492, 1484 and etc., automatically.
Detect – Click it to detect a suitable MTU value

Accept – After clicking it, the detected value will be

displayed in the field of MTU.
PPP Authentication - Select PAP only or PAP or CHAP for
PPP.
Idle Timeout - Set the timeout for breaking down the
Internet after passing through the time without any action.
Fixed IP - Usually ISP dynamically assigns IP address to you
each time you connect to it and request. In some case, your
ISP provides service to always assign you the same IP
address whenever you request. In this case, you can fill in
this IP address in the Fixed IP field. Please contact your ISP
before you want to use this function. Click Yes to use this
function and type in a fixed IP address in the box.
Fixed IP Address -Type a fixed IP address.
Obtain an IP address automatically – Click this button to
obtain the IP address automatically.
Specify an IP address – Click this radio button to specify
some data.

IP Address – Type the IP address.

Subnet Mask – Type the subnet mask.
Vigor2762 Series User's Guide