Linksys WRT55AG User Guide - Page 20

Dual-Band Wireless A+G Broadband Router • Static IP. If you are required to use a permanent IP address to connect to the Internet, select Static IP. Internet IP Address. This is the Router's IP address, when seen from the Internet. Your ISP will provide you with the IP Address you need to specify here. Subnet Mask. This is the Router's Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask. Default Gateway. Your ISP will provide you with the Gateway Address, which is the ISP server's IP address. DNS (1-3). Your ISP will provide you with at least one DNS (Domain Name System) Server IP Address. • PPPoE. Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet connections. If you are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoE. If they do, you will have to enable PPPoE. User Name and Password. Enter the User Name and Password provided by your ISP. Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet connection terminates. Keep Alive Option: Redial Period. If you select this option, the Router will periodically check your Internet connection. If you are disconnected, then the Router will automatically re-establish your connection. To use this option, click the radio button next to Keep Alive. In the Redial Period field, you specify how often you want the Router to check the Internet connection. The default Redial Period is 30 seconds. Optional Settings Some of these settings may be required by your ISP. Verify with your ISP before making any changes. Host Name and Domain Name. These fields allow you to supply a host and domain name for the Router. Some ISPs, usually cable ISPs, require these names as identification. You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name. In most cases, leaving these fields blank will work. MTU. MTU is the Maximum Transmission Unit. It specifies the largest packet size permitted for Internet transmission. Select Manual if you want to manually enter the largest packet size that will be transmitted. The Chapter 5: Configuring the Dual-Band Wireless A+G Broadband Router The Setup Tab - Basic Setup Figure 5-4: Static IP Connection Type static ip address: a fixed address assigned to a computer or device connected to a network. subnet mask: an address code that determines the size of the network. default gateway: a device that forwards Internet traffic from your local area network. Figure 5-5: PPPoE Connection Type pppoe: a type of broadband connection that provides authentication (username and password) in addition to data transport packet: a unit of data sent over a network 14