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Learning by Doing: CISCO Certified Network ... - SCN Research

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Interface Send Recv Key-chain<br />

Ethernet0/0 1 1 2<br />

Serial0/1 1 1 2<br />

Routing for <strong>Network</strong>s:<br />

10.0.0.0<br />

192.168.3.0<br />

Routing Information Sources:<br />

Gateway Distance Last Update<br />

10.2.1.1 120 00:00:07<br />

Distance: (default is 120)<br />

scorpion#<br />

Supplemental Lab or Challenge Activity:<br />

1. Why would you want to be able to change the timers? Come on now and think<br />

hard.<br />

2. Fill in the table below with the default timers for RIP to give you some<br />

perspective on the RIP metrics. They sound like nice CCNA questions don’t<br />

they?<br />

Metric<br />

Hop count<br />

Update timer<br />

Invalid timer<br />

Hold-down timer<br />

Flush timer<br />

Value<br />

So What Have I Learned Here?<br />

In this lab you learned about the metrics involved with RIP. Ok. So there aren’t that<br />

many, but other protocols will have many metrics so this is a good introduction. Next<br />

you will be turning your router into a DHCP server. Gosh that is fun!<br />

Guest Router Name Derivation<br />

Acid Phreak and Scorpion are more members of the Master’s of Deception (MoD)<br />

hackers ring in New York City in the 1980’s/early 1990’s. They were instrumental in<br />

starting the Great Hacker War against the Legion of Doom (LoD) hackers ring (also from<br />

NYC). Eventually the LoD were persuaded to cooperate with the police and helped to<br />

bust the MoD.<br />

221

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