Sunday, March 28, 2010

Build a Switch Network Lab


In this lab we used switches and computers to build a LAN (Local Area Network)


We used two switches connected by a crossover cable. Half of the class connected their computers to one switch and the other half to the other switch.


We were given the IP address 160.20.0.0 and the subnet mask 255.255.240.0. The IP address is a class B and therefore the subnet mask is 255.255.0.0. The difference is 240 in the third octet. 240 means that there are 4 bits borrowed for the subnet. We were asked to use the fourth subnet for this lab. The first subnet was 160.20.0.0 (0000 0000.00000000). The second subnet was 160.20.16.0 (0001 0000.00000000). The third subnet was 160.20.32.0 (0010 0000.00000000). The fourth subnet was 160.20.48.0 (0011 0000.00000000). Now that we had our subnet address we had to configure our host address. I was assigned the third host address. This was pretty easy, 160.20.48.0 was the network address, 160.20.48.1 was the first host and that was assigned to Mike, 160.20.48.2 was Tony, I was assigned the third host address and that was 160.20.48.3. 160.20.48.4 was Ross, 160.20.48.5 was Tyler, 160.20.48.6 was Steve, 160.20.48.7 was Scott, 160.20.48.8 was James, 160.20.48.9 was Rich, and 160.20.48.11 was Jeremy.

Next we had to change our network settings on our computer to the addresses we configured. Click the Start button then right click Network, then click Properties, next click Manage Network Connections, then double-click Local Area Connection. This brings up the Local Area Connection Properties window. Highlight Internet Protocol Version 4 (TCP/IPv4), click on properties. This opens the Internet Protocol Version 4 (TCP/IPv4) window. Click Use the following IP address and enter the IP address that was configured along with the other information. (subnet mask, default gateway) Click OK to accept and make changes. Then close and exit all the windows.

Then we were to try to ping others on the network we created to see if it worked. I had to disable the windows firewall to allow other to ping me. I was able to pine everyone on first try except Mike, Scott, Doug, and Jeremy. Mike was having issues with Vista and had to reinstall. Jeremy had a firewall issue that was resolved and then I could ping him. Never was able to get Scott or Doug.

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