TP-Link SafeStream TL-ER6020 User Manual page 105

Idle Timeout:
Authentication:
Auth Protocol:
Radius Server:
Shared Key:
3.6.1.2 IP Address Pool
On this page, you can define or edit the IP Address Pool.
Choose the menu Services→PPPoE Server→IP Address Pool to load the following page.
Enter the maximum idle time. The session will be terminated after it
has been inactive for this specified period. It can be 0-10080 minutes.
If you want your Internet connection to remain on at all times, enter 0
in the Idle Timeout field. The default value is 30.
Select the Authentication type. It can be Local authentication and
Remote authentication. Select Local authentication for authentication
in PPPoE server and select Remote authentication for authentication
in the remote server.
Select at least one authentication protocol for Local Authentication.
PAP, transferring username and password in plain text in the

network, is used in a less secured network.
CHAP is more secured for it adopts three handshakes and does

not transfer password in plain text.
MS-CHAP, put forward by Microsoft, adopts a different encryption

algorithm of CHAP.
MS-CHAP v2 with a higher security is an improved version of

MS-CHAP.
It is available when Remote Authentication is selected. RADIUS
(Remote Authentication Dial In
authentication for dial-up users. Enter the Radius Server address for
Remote authentication.
Enter the Shared Key for Remote authentication. It should be the
same to the shared key of the Radius Server.
-100-
User Service) provides an