# PPPoA Configuration

You can configure a specific instance of PPPoA with a user name and password and other parameters, and bind the instance to an interface.

### To Configure a PPPoA Instance

Enter the necessary information:

PPPoA Instance: Enter the name of the instance. Choose a descriptive name to help you identify the instance.

Bound to Interface: Select the interface to which you want to bind the PPPoA instance.

Username: Enter the user name for the PPPoA connection.

Password: Enter the password for the PPPoA connection.

Authentication: Select the authentication method.

Any means both CHAP and PAP authentication are used.

CHAP means only CHAP authentication is used.

PAP means only PAP authentication is used.

P PPlcp Echo Retries: Specifies the number of unacknowledged LCP Echo requests that occur before the connection is terminated. Specify a value between 1-30.

PPPlcp Echo Timeout: Specifies the number of seconds between LCP echo request transmissions. Specify a value between 1-1000.

Auto-Connect: This option specifies the number of seconds before a previously-closed connection is automatically reinitiated. Specify a value between 0-10000. A value of 0 disables this function.

Idle Disconnect:This option specifies the number of minutes that the connection is idle before the device terminates the connection. A value of 0 disables this function and the connection is never terminated.

Clear IP on Disconnect: This checkbox enables the device to clear the IP address and gateway for the interface once PPPoA disconnects.

Static IP: Specifies that the connection uses the IP address assigned to the device's interface.

Automatic Update of DHCP Servers DNS Parameters:When you initiate a PPPoA connection, your ISP automatically provides the IP addresses for the Untrust zone interface and the IP addresses for the Domain Name System (DNS) servers. Select this checkbox if you want the device to overwrite the local settings with the DNS settings it receives through PPPoA.

Click OK to save your settings.