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7. Modify the fields as needed, using the information in the table provided below.
Field Name
Description
PPP Username
Enter the username required for authentication to the PPP server.
PPP Password
Enter the password required for authentication to the PPP server.
PPPoE Service Name
(
Optional
) Enter a description for this service.
Authentication Method
Select a means for authentication. Options are:
l
AUTO
: Attempt to automatically detect the handshake protocol (listed below).
l
PAP
: Password Authentication Protocol (plaintext passwords).
l
CHAP
: Challenge Handshake Authentication Protocol. (MD5 hashing scheme on pass-
words).
l
MSCHAP
: Microsoft Challenge Handshake Authentication Protocol. (Microsoft encryp-
ted password authentication protocol).
MTU [576-1492]
Enter the MTU (Maximum Transmission Unit) size. Options are
576
-
1492 bytes
. The default
is
1492
bytes.
Enable KeepAlive
This option is enabled by default. To
disable
keepalive packets, clear the checkbox. Enter val-
ues in the following fields:
l
LCP Echo Interval [1-60
]: Enter the interval for sending echos in seconds. The
default is
30
seconds.
l
LCP Echo Failure [1-100]:
Enter the number of times that echos should be sent
before reporting echo failure. The default is
5
times.
Enable NAT
This option is enabled by default. To
disable
NAT (Network Address Translation), clear the
checkbox.
Enable Fullcone NAT
Click to enable "one-to-one" NAT. All requests from the same internal IP address and port are
mapped to the same external IP address and port. In addition, any external host can send a
packet to the internal host by sending a packet to the mapped external address.
Warning
: Enabling this option will disable network acceleration and some security settings.
Enable MAC Clone
Click to enable MAC cloning. Additional fields appear. Options are:
l
Enter the MAC address that you want to clone.
l
To use the MAC address of the connected PC, click
Clone the PC MAC Address
.
Enable Firewall
This option is enabled by default. To
disable
the firewall, clear the checkbox.
Dial on Demand
Click to enable dialing on-demand. The
Inactivity Timeout (minutes)
field appears. Enter the
of minutes before a session is timed out. Options are
1
-
4320
. The default is zero (
0
).
When this option is enabled, connection automatically starts when there is outbound traffic
to the Internet. It automatically terminates if the connection is idle, based on the value in
the
Idle Timeout
setting.
PPP IP extension
Click to forward all traffic to the specified DMZ IP. When you select this option, the
NAT
and
Firewall
fields are hidden.