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Tag "IPsec"

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: 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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Answers: GRE Tunnel 1

Answers: GRE Tunnel 1

🕔09:05, 27.Apr 2016

Configuring a static GRE tunnel, before adding the IPsec encryption, takes just a few commands. Have you mastered those commands yet? If not, check out the lab exercise first, and then come back here for the answer and some comments.

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GRE Tunnel 1

GRE Tunnel 1

🕔10:05, 25.Apr 2016

#GRE – that is, Generic Route Encapsulation – gives us a way to encapsulate IP packets inside another IP packet. Why? Often times, the reason is to create an Internet VPN, forwarding encrypted IP packets inside IP packets that can

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