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Part 3 - Wide Area Networks

Answers: MLPPP 2

Answers: MLPPP 2

🕔09:10, 14.Oct 2016

This lab asks you to do a basic migration: move from using two parallel serial links as independent links to instead treating them as one layer 3 link using MLPPP. This lab requires new configuration as well as analysis of

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Multilink PPP 2

Multilink PPP 2

🕔09:05, 12.Oct 2016

Multilink PPP (MLPPP) makes multiple parallel links act like one link from a layer 3 perspective. In this next lab, the lab begins with a working configuration that does not use MLPPP, with two parallel serial links between two routers.

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Answers: MLPPP 1

Answers: MLPPP 1

🕔09:10, 15.Sep 2016

Configuring multilink PPP (MLPPP) uses a large number of commands for a single feature. However, many of the commands are repetitive on several interfaces. The trick is to figure out which commands are repeated on both the physical and multilink

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Multilink PPP 1

Multilink PPP 1

🕔09:05, 13.Sep 2016

Multilink PPP (MLPPP) makes multiple parallel links act like one link from a layer 3 perspective. Then, when a router’s layer 3 routing decides to forward a layer 3 packet out the layer 3 MLPPP multilink interface, the router has

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Answers: GRE Tunnel 3

Answers: GRE Tunnel 3

🕔13:10, 22.Jul 2016

You know the drill. Do the lab, come here to check your answer. This one is on configuring a point-to-point GRE tunnel, using a hostname for the tunnel destination, and with OSPF interface thrown in for some quick review.

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GRE Tunnel 3

GRE Tunnel 3

🕔13:05, 21.Jul 2016

This latest lab requires you to configure a point-to-point GRE tunnel, but with no encryption config. Unless this is your first Config Lab, you know the drill. If not: take 5-10 minutes now, read the lab, and type your answer

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Answers: PPP over Ethernet 2

Answers: PPP over Ethernet 2

🕔13:10, 20.Jul 2016

Creating a PPPoE configuration requires some practice, so do the lab on your own, and check your answers here. More importantly, find a place to do this lab on gear (or VIRL) or a simulator, and spend the time doing

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PPP over Ethernet 2

PPP over Ethernet 2

🕔13:05, 19.Jul 2016

Configuring PPPoE may seem scary, but it is not too hard from a practical sense. The complex part is understanding each command, and the even more complex part is connecting the configuration to the underlying ideas shown in the related

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Answers: GRE Tunnel 2

Answers: GRE Tunnel 2

🕔13:10, 1.Jul 2016

To create a point-to-point GRE tunnel, you just need a few commands. The tricky part is to figure out what parameters to plug into the commands, particularly for the source and destination of each end of the tunnel. Check out

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GRE Tunnel 2

GRE Tunnel 2

🕔13:05, 30.Jun 2016

GRE tunnels, without the encryption, can be a breeze to configure and verify – you just need to practice the variations. Today’s post does just that, with a lab topology that looks like two enterprise routers connected to the Internet,

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