System Readiness
Configuring the WAN (Internet) Connection
Unified Communications UC 320W Administration Guide
53
3
L2TP DHCP
Select this option if your ISP usesL2TP (Layer 2 Tunneling Protocol) and did not
assign a static IP address to your account. Enter the
Username
and
Password
for
your Internet account. Also enter the
Server IP
address for the ISP server.
Optionally, you can enter the
Domain Name
for the ISP server.
Also configure your connection with the
Keep Alive
or
Connect On Demand
option, as described below.
•
Keep Alive:
Choose this option to use Keep Alive messages to keep the
connection permanently open, regardless of the level of Internet activity by
your users.
•
Connect On Demand:
Choose this option to open a connection only when
a user attempts to connect to the Internet. In the
Max Idle Time
field, enter
the number of minutes of inactivity that will cause the connection to be
terminated. This option is recommended if your billing is based on the time
that you are connected.
NOTE
One disadvantage of using a dynamic IP address is that if your IP address changes,
your Unified Communications System and all connected devices will reboot.
Telephone service will be interrupted.
L2TP Static
Select this option if your ISP uses L2TP (Layer 2 Tunneling Protocol) and gave you
a static IP address. Enter the
Username
and
Password
for your Internet account.
Enter your static
IP Address
, the
Subnet Mask
, the IP address of the
Default
Gateway
, and the IP address for the
Primary DNS
server, as provided by your ISP.
Also enter the
Server IP
address for the ISP server. Finally, configure your
connection with the
Keep Alive
or
Connect On Demand
option, as described
below. Optional settings include a
Secondary DNS
server, and a
Domain Name
.
•
Keep Alive:
Choose this option to use Keep Alive messages to keep the
connection permanently open, regardless of the level of Internet activity by
your users.
•
Connect On Demand:
Choose this option to open a connection only when
a user attempts to connect to the Internet. In the
Max Idle Time
field, enter
the number of minutes of inactivity that will cause the connection to be
terminated. This option is recommended if your billing is based on the time
that you are connected.
