📄 switchtheory.htm
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<p><b><font size="4" color="#008000" face="Arial">Basic Lab Overview</font></b></p>
<p class="MsoNormal"><font face="Arial">In this lab you will inspect an Ethernet Switch to collect
information about its physical characteristics. You will need to find out the
switches model number, number of interfaces and the speed of those interfaces.
</font>
</p>
<p class="MsoNormal"><font face="Arial">A switch works at Layer 2 of the OSI model (the Data Link
Layer) and functions to concentrate the point of attachment for workstations,
servers, routers, hubs and switches. A switch provides a dedicated
point-to-point connection between two networking devices, so there are no
collisions. </font></p>
<p class="MsoNormal"><b><font color="#008000" size="4" face="Arial">Switch Components</font></b></p>
<p class="MsoNormal"><font face="Arial">A switch includes all the hardware components a PC has
including a CPU, RAM, and an operating system (IOS). A switch can be managed
the same way a router can, you can console into its console port, telnet to its
IP address and even change IOS抯 through the use of TFTP.</font></p>
<p class="MsoNormal"><font face="Arial">Switches use some of the same commands that Routers use. To
check info about the interfaces you can use the show interfaces command. To show
the ip info for the interfaces use the Show ip interfaces command. If you
wanted to find information relating to the model number or IOS version you would
still use the show version command. If you wanted to view the running
configuration file the command is still </font><font face="Terminal" size="2">show running-config</font><b><font face="Arial">.</font></b></p>
<p class="MsoNormal"><font face="Arial">There are some commands that we are not familiar with yet.
One of those is </font> <font face="Terminal" size="2">show mac-address-table</font><font face="Arial"> this command will show the mac table for
the switch. The mac table is the table that matches all the ports on the switch
with the mac addresses it has learned. </font> </p>
<p class="MsoNormal"> </p>
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<p class="MsoNormal"><font face="Arial" size="2"><span class="724482219-24092001">Copyright (c)
1998-2003 Boson Software, Inc. All Rights Reserved.</span></font></p>
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