Answers: OSPF Interface Config 1

Answers: OSPF Interface Config 1

🕔09:05, 22.Oct 2015

Can you configure OSPFv2 without the network command? Today’s post gives you the answers to a recent CLI Lab that lets you practice OSPF interface configuration. Check out the lab, create your answer, and check back here to compare.

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ACL Drill Set 3 – Answers

ACL Drill Set 3 – Answers

🕔09:05, 19.Oct 2015

This post makes no sense without the questions from the previous post, so check those out if you’ve not done so already. The questions list ACLs that were typed in a text editor, so they could list an IP address

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ACL Drill Set 3

ACL Drill Set 3

🕔09:05, 15.Oct 2015

Today’s post lists several ACL interpretation exercises. Below the fold, you’ll find several ACEs (ACL commands) as typed in a text editor. For each ACL, you must answer two questions: 1) what range of addresses does each ACE match? 2)

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A: Which IPv4 Static Routes Could be Useful?

A: Which IPv4 Static Routes Could be Useful?

🕔09:05, 12.Oct 2015

The previous sample question gave us lots of example static IPv4 routes to think about. The answer and explanation are below the fold, as usual. Ask’em if you’ve got’em!

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Q: Which IPv4 Static Routes Could be Useful?

Q: Which IPv4 Static Routes Could be Useful?

🕔09:05, 8.Oct 2015

This week’s sample question is about static IPv4 routes. The question makes you think not only about syntax, but also about the meaning of the parameters of the ip route command. The wording is a bit tricky because I’ve attempted

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Answers: EIGRP Unequal Cost Routes

Answers: EIGRP Unequal Cost Routes

🕔09:05, 7.Oct 2015

This latest lab lets you exercise your basic EIGRP config skills, with a few twists. Does the actual link speed matter? Do you recall how to use wildcard masks in your EIGRP config? And how do you use multiple unequal-metric

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EIGRP Unequal Cost Routes

EIGRP Unequal Cost Routes

🕔09:05, 6.Oct 2015

#EIGRP uses a complex metric calculation. Most of us do not memorize the math formula, instead remembering the metric components: slowest bandwidth in the route and cumulative delay for all links. This lab lets you ponder how to configure EIGRP

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A: Which ARP and Where

A: Which ARP and Where

🕔12:05, 4.Oct 2015

Host A web browsers to server E, which sits on a different subnet. Who ARPs for whom, and where? Check the question, pick your answer, and come back here to check your answer and see the explanation.

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Q: Which ARP and Where

Q: Which ARP and Where

🕔09:05, 1.Oct 2015

Are you an #ARP pretender? ARP is simple. At the same time, ARP can be used as both a testing tool and interview tool determine whether someone really knows how networks work, or if they just read the basics in

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