SUSE Linux 10 for dummies phần 6

Tham khảo tài liệu 'suse linux 10 for dummies phần 6', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Chapter 8 Setting Up an Ethernet LAN with Wireless Access 125 Figure 8-2 Configure the Ethernet network card with YaST. Connecting Your LAN to the Internet If you have a LAN with several PCs you can connect the entire LAN to the Internet by using DSL or a cable modem. Basically you can share the highspeed DSL or cable modem connection with all the PCs in the LAN. In Chapter 7 I explain how to set up a DSL or cable modem. In this section I briefly explain how to connect a LAN to the Internet so that all the PCs can access the Internet. The most convenient way to connect a LAN to the Internet via DSL or cable modem is to buy a hardware device called DSL Cable Modem NAT Router with a 4- or 8-port Ethernet hub. NAT stands for Network Address Translation and the NAT router can translate many private IP addresses into a single externally known IP address. The Ethernet hub part appears to you as a number of RJ-45 Ethernet ports where you can connect the PCs to set up a LAN. In other words you need only one extra box besides the DSL or cable modem. Figure 8-3 shows how you might connect your LAN to the Internet through a NAT router with a built-in Ethernet hub. Of course you need a DSL or cable modem hookup for this scenario to work and you have to sign up with the phone company for DSL service or with the cable provider for cable Internet service . 126 Part II Test-Driving SUSE_ in Ethernet hub. Figure 8-3 Connect your LAN to the Internet through a NAT router with a built- PCs in a local area network LAN . Each PC must have a 10BaseT Ethernet card. When you connect a LAN to the Internet the NAT router acts as a gateway for your LAN. The NAT router also dynamically provides IP addresses to the PCs in your LAN. Therefore on each PC you have to set up the networking options to obtain the IP address dynamically. Your LAN can mix and match all kinds of computers some may be running Linux and some may be running .

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