PPP Username/PPP Password
The PPP Username and the PPP password requirement are dependent on the
particular requirements of the ISP or the ADSL service provider. The WEB user
interface allows a maximum of 256 characters in the PPP user name and a
maximum of 32 characters in PPP password.
Authentication Method
Choose from AUTO, PAP, CHAP and MSCHAP.
Dial on Demand
The CT-5611TC can be configured to disconnect if there is no activity for a period
of time by selecting the Dial on demand check box. When the checkbox is ticked,
you need to enter the inactivity timeout period. The timeout period ranges from
1 minute to 4320 minutes.
PPP IP Extension
The PPP IP Extension is a special feature deployed by some service providers.
Unless your service provider specially requires this setup, do not select it.
The PPP IP Extension supports the following conditions:
•
•
•
•
•
Allows only one PC on the LAN
The public IP address assigned by the remote side using the PPP/IPCP protocol
is actually not used on the WAN PPP interface. Instead, it is forwarded to the
PC’s LAN interface through DHCP. Only one PC on the LAN can be connected
to the remote, since the DHCP server within the ADSL router has a single IP
address to assign to a LAN device.
NAPT and firewall are disabled when this option is selected.
The ADSL router becomes the default gateway and DNS server to the PC
through DHCP using the LAN interface IP address.
The ADSL router extends the IP subnet at the remote service provider to the
23
