PairGain 500L, Руководство пользователя

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PRELIMINARY Chapter 6: Configuring Sessions
Megabit Modem 500L Installation Manual 37
PR
EL
IM
IN
A
RY
2 Click
Submit
to accept the WAN PPP session configuration.
3 To configure other sessions:
a Click
EasySession
on the
Main Menu.
then click
Edit
by the
Port 1-3
that you want to
configure. (Or, if you want to modify an existing session, click
Previous
or
Next
to
locate the session you want to modify).
b Repeat Step 1 to configure the session.
Deleting a PPP over ATM WAN Session Configuration
1 From the PPP over ATM WAN Configuration page, click Previous or Next to access the session
configuration you want to delete.
2 Click Delete to remove a configuration that is displayed on the current Web page.
Ž
Enter the Chap Host name provided by the service provider. The name is used for
CHAP authentication of this session. The name must be identical for the user
session and for the service provider. See
page 73 for the CHAP name you recorded
from the service provider.

Select the
Enable
checkbox when you want to use NAT protocol (
Address Translation
)
to translate the session IP address to private IP addresses. It is recommended that
you always enable NAT.
You can choose, however, not to use NAT for address translation. If you do not use
NAT, you can assign only one LAN user (one PC) to the session. The IP address for
the LAN user PC must be the same IP
Address Assignment
given to the session by
the service provider (shown in field

on page 36 ). See page 18 to configure the
PC to accept the entry of a manual IP address (select
Specify an IP address
then
manually enter the session IP address).

Select Dynamic as the Address Assignment if the service provider will automatically
assign an IP address for this session during set up. When the address is dynamically
assigned, the address field will display the assigned value after the session
comes up.
Select
Fixed
as the
Address Assignment
if the service provider gave you an IP address
for the session. If the address is fixed, type in the fixed IP addresses you recorded
on
page 74 into the field “
If fixed, enter assigned IP address
.”
This IP address is also referred to as the proxy address for the session.
‘
Click
User Assignment
to open a dialog in which you can map LAN users to each
session. Go to the section “Defining User Assignment Parameters” on page 38 to
configure the user assignments.