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<title>BOSON CCNA COURSE - Lab 3</title>
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<p align="left"><font face="Times New Roman" size="3"><b><u><a name="3"></a>LAB 3 - CDP</u><br>
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<p align="left"><font face="Times New Roman" size="3">1. In this lab, you will practice using Cisco Discovery Protocol (CDP) commands to view information about directly connected neighbors.<br>
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<p align="left"><font face="Times New Roman" size="3">2. On router1, display summary information for router1抯 CDP neighbors. You should see one-line entries for both router2 and router3.</font></p>
<p align="left"><font face="Times New Roman" size="2"> router1# sh cdp neighbors
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<p align="left"><font face="Times New Roman" size="3">3. On router1, display detailed information about CDP neighbors. You can do this with either the show cdp neighbors detail or
show cdp entry * commands.</font></p>
<p align="left"><font face="Times New Roman" size="2"> router1# show cdp neighbors detail<br>
router1# show cdp entry *<br>
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<p align="left"><font face="Times New Roman" size="3">4. On router1, display the interfaces where CDP is active.
<br>a. Question: what is the CDP advertisement interval? <br>b. Question: what is the holdtime interval and what does it signify?</font></p>
<p align="left"><font face="Times New Roman" size="2"> router1# show cdp interface<br>
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<p align="left"><font face="Times New Roman" size="3">5. On router1, change the CDP advertisement interval to 50 sec. and the holdtime interval to 170 sec.
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Issue the show cdp interface command to verify the new timers are set correctly.</font></p>
<p align="left"><font face="Times New Roman" size="2"> router1(config)# cdp timer 50<br>
router1(config)# cdp holdtime 170<br>
router1(config)# exit<br>
router1# sh cdp interface</font></p>
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<p align="left"><font face="Times New Roman" size="2"><span class="724482219-24092001">Copyright (c) 1998-2003 Boson Software, Inc. All Rights Reserved.</span></font></p>
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