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Wireless all- In-One for Dummies- P4:I still remember when I got my first cordless phone. Suddenly, I didn’t have to run to the kitchen when the phone rang, I just carried the phone with me. I could make a phone call from wherever I was. Wireless meant freedom, and this is just a phone that I’m talking about! | Understanding DHCP 69 If you do break out a separate area for statically addressed machines it s a good idea to make a note of it somewhere. DHCP get out of my hair Sometimes you just want to turn off DHCP. You only want one DHCP server on your home network. If you have another device that s doing the job of DHCP and you plug in your device then you ll have two devices handing out addresses. DHCP is so simple that most devices come with it turned on. As you add more pieces to your network you ll probably come across the situation where you get two DHCP servers. Make sure to turn that second or third or fourth server off. Book II 4 As a case in point these combination router-access point-switch devices are roughly the same price as an access point so you might just come home one day with a second router to expand your new wireless network. Configure wireless turn off DHCP and give the new router a different static address and you can plug it into the rest of your network as if it were an access point. Just remember to leave the Internet port unplugged because your first router is providing the path out to the Internet and the new one is bridging your computer between the wireless and wired inside networks. Deciphering DHCP But Wait there s more Looking back at the results of ipconfig all from Figure 4-3 a bunch of other information is there. Most of it isn t that noteworthy but tl discuss two in the following sections. Default gateway The Internet is one big game of Hot Potato. One guy throws his packet to a router who throws it to the next router down the line all the way until it lands at its destination. To join in you have to know where to throw your packet. Your default gateway is the place that your computer sends all the packets it doesn t know what to do with for people on your local network you can talk directly to them . DHCP tells you the address of your gateway when handing out the address. You can see that this address is 192.168.1.1 which is your .
