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D-Link DSL-226 User Manual
Section 4 - Configuration
USB Modem
The USB port can be inserted with a 3G/4G mobile broadband adapters to be
a backup of your primary Internet connection. On this page, you can check
and edit the router's configuration for the USB modem (if one is inserted). To
access this page, go to
Settings > USB
and
select the
USB Modem
tab.
4G Status
Status:
Enable or disable the USB modem. If it is enabled, the router will use the
USB modem to connect to the Internet instead of the DSL or Ethernet
WAN port. The default is disabled.
4G Backup:
Enable the USB modem to be a backup of the primary Internet
connection. When the primary Internet connection fails, it will be active
and resume the connection. The default is disabled.
Connection Settings
Select the connection method:
Always On
,
Connect On-Demand
, or
Connect Manually
.
If you selected Connect On-Demand, enter the following option:
Close if Idle for
Minutes:
Enter a maximum idle time in minutes to wait before closing the
connection due to inactivity.
f you selected Connect Manually, enter the following option:
PPP
Authentication:
Select the authentication method for Point-to-Point Protocol (PPP)
connections: PAP, Auto, or CHAP.
Default Route:
Enable or disable default route established through your USB modem
for Internet connection.
NAT:
Enable or disable Network Address Translation (NAT).
TCP MTU:
Enter the Maximum Transfer Unit (100-1492). The default is 0.
Click
Save
when you are done.
