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VC: The Virtual Circuit over which this PPP data is sent. The VC identifies the physical path

the data takes to reach your ISP.

Interface Sec Type: The type of Firewall protections that are in effect on the interface (public,

private, or DMZ):

A public interface connects to the Internet (PPP interfaces are typically public). Packets

received on a public interface are subject to the most restrictive set of firewall protections

defined in the software.

A private interface connects to your LAN, such as the Ethernet interface. Packets

received on a private interface are subject to a less restrictive set of protections, because

they originate within the network.

The term DMZ (de-militarized zone), in Internet networking terms, refers to computers

that are available for both public and in-network accesses (such as a company's public

Web server). Packets incoming on a DMZ interface -- whether from a LAN or external

source -- are subject to a set of protections that is in between public and private

interfaces in terms of restrictiveness.

Protocol: The type of PPP protocol used. Your ISP may use PPP-over-Ethernet (PPPoE) or

PPP-over-ATM (PPPoA).

WAN IP: The IP address currently assigned to your WAN (DSL) port by your ISP.

Gateway IP: The IP address of the server at your ISP that provides you access to the Internet.

Default Route: Indicates whether the ADSL/Ethernet router should use the IP address

assigned to this connection as its default route. Can be Enabled or Disabled.

Use Dhcp: When set to Enable, the device will acquire additional IP information from the ISP's

DHCP server. The PPP connection itself acquires the device's IP address, mask, DNS address,

and default gateway address. With Use DHCP enabled, the device will acquire IP addresses

for various other server types (WINS, SMTP, POP3, etc. -- these server types are listed on the

DHCP Server Configuration page).

Use DNS: When set to Enable, the DNS address learned through the PPP connection will be

distributed to clients of the device's DHCP server. This option is useful only when the

ADSL/Ethernet Router is configured to act as a DHCP server for your LAN. When set to

Disable, LAN hosts will use the DNS address(es) pre-configured in the DHCP pool and in the

DNS feature.

Oper. Status: Indicates whether the link is currently up or down or if a specific type of data

exchange is under way (e.g., password authorization or DHCP).