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Chapter 5 WAN Setup
P-660HWP-Dx User’s Guide
47
Multiplexing Select the method of multiplexing used by your ISP from the drop-down list.
Choices are VC or LLC.
By prior agreement, a protocol is assigned a specific virtual circuit, for example,
VC1 will carry IP. If you select VC, specify separate VPI and VCI numbers for
each protocol.
For LLC-based multiplexing or PPP encapsulation, one VC carries multiple
protocols with protocol identifying information being contained in each packet
header. In this case, only one set of VPI and VCI numbers need be specified for
all protocols.
VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local
management of ATM traffic). Enter the VCI assigned to you.
IP Address This option is available if you select Routing in the Mode field.
Obtain an IP
Address
Automatically
Select this if you get a dynamic IP address from your Internet Service Provider
(ISP). A dynamic IP address is not fixed; your ISP assigns you a different one
each time you connect to the Internet.
This option is not available if you select RFC 1483 in the Encapsulation field.
Static IP Address Select this if your ISP gave you a fixed IP address. Enter the IP address you
were given in the IP Address field.
IP Address If your ISP gave you an IP address to use, enter it here.
Subnet Mask Enter a subnet mask in dotted decimal notation.
Refer to the appendices to calculate a subnet mask If you are implementing
subnetting.
Gateway IP address Specify a gateway IP address (supplied by your ISP).
Connection
Nailed-Up
Connection
Select Nailed-Up Connection when you want your connection up all the time.
The P-660HWP-Dx will try to bring up the connection automatically if it is
disconnected.
Connect on
Demand
Select Connect on Demand when you don't want the connection up all the time
and specify an idle time-out in the Max Idle Timeout field.
Max Idle Timeout Specify an idle time-out in the Max Idle Timeout field when you select Connect
on Demand. The default setting is 0, which means the Internet session will not
timeout.
NAT NAT is the translation of the IP address of a host in a packet, for example, the
source address of an outgoing packet, used within one network to a different IP
address known within another network.
None Select None to disable NAT.
SUA Only SUA only is available only when you select Routing in the Mode field.
Select SUA Only if you have one public IP address and want to use NAT. Click
Edit to go to the Port Forwarding screen to edit a server mapping set.
Back Click Back to return to the previous screen.
Apply Click Apply to save the changes.
Cancel Click Cancel to begin configuring this screen afresh.
Advanced Setup Click this button to display the More Connections Advanced screen and edit
more details of your WAN setup.
Table 23 More Connections Edit (continued)
LABEL DESCRIPTION