Configure network interfaces Configure DSL interfaces
Digi TransPort WR Routers User Guide 217
VCI
The Virtual Channel Identifier for this APVC in the range 0-65535.
DSL Network Settings parameters
This DSL PVC is using PPP 1
The default interface for DSL. The default interface for DSL is PPP 1.
Description
A description for the DSL. This field is optional.
Username
The ADSL username.
Password
The password for the DSL account.
Confirm password
Enter the password for the DSL account again.
Enable NAT on this interface
Enables or disables IP Network Address Translation (NAT) or Network Address and Port
Translation (NAPT) at the Ethernet interface. When the parameter is set to disabled, no NAT
occurs. When this parameter is enabled, the extra options described below are displayed.
NAT and NAPT can have many uses, but they are generally employed to allow a number of
private IP hosts (PCs for example) to connect to the Internet through a single shared public IP
address. This has two main advantages, it saves on IP address space (the ISP only need assign
you one IP address), and it isolates the private IP hosts from the Internet, effectively providing a
simple firewall because unsolicited traffic from the Internet cannot be routed directly to the
private IP hosts.
To use NAT or NAPT correctly in the example of connecting private hosts to the Internet, enable
NAT or NAPT on the router’s WAN side interface and disable NAT or NAPT on the router’s LAN-
side interface.
Entity Instance Parameter Values Equivalent web parameter
apvc 0 0-255 VPI
apvc 0 0-65535 VCI
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