ZyXEL Communications P-660R-D Series, Руководство пользователя

Страница: 56 / 204

P-660R-D Series User’s Guide
55 Chapter 4 WAN Setup
Encapsulation Select the method of encapsulation used by your ISP from the drop-down list
box. Choices vary depending on the mode you select in the Mode field.
If you select Bridge in the Mode field, select either PPPoA or RFC 1483 .
If you select Routing in the Mode field, select PPPoA , RFC 1483 , ENET
ENCAP or PPPoE .
User Name (PPPoA and PPPoE encapsulation only) Enter the user name exactly as your
ISP assigned. If assigned a name in the form user@domain where domain
identifies a service name, then enter both components exactly as given.
Password (PPPoA and PPPoE encapsulation only) Enter the password associated with the
user name above.
Service Name (PPPoE only) Type the name of your PPPoE service here.
Multiplexing Select the method of multiplexing used by your ISP from the drop-down list.
Choices are VC or LLC .
Virtual Circuit ID VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define a virtual
circuit. Refer to the appendix for more information.
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.
A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is
not fixed; the ISP assigns you a different one each time you connect to the
Internet.
If you use the encapsulation type except
RFC 1483 , select Obtain an IP
Address Automatically when you have a dynamic IP address; otherwise select
Static IP Address and type your ISP assigned IP address in the IP Address
field below.
If you use
RFC 1483 , enter the IP address given by your ISP in the IP Address
field.
Subnet Mask
(ENET ENCAP
encapsulation only)
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
(ENET ENCAP
encapsulation only)
You must specify a gateway IP address (supplied by your ISP) when you select
ENET ENCAP in the Encapsulation field
Connection
(PPPoA and PPPoE
encapsulation only)
Nailed-Up
Connection
Select Nailed-Up Connection when you want your connection up all the time.
The ZyXEL Device 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.
Apply Click Apply to save the changes.
Table 12 Internet Connection (continued)
LABEL DESCRIPTION