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Part 1 - Ethernet LANs

Answers: Basic EIGRP

Answers: Basic EIGRP

🕔09:05, 27.Jan 2016

Configure EIGRP, and configure the link delay – and influence the routes in a small lab network. That’s the summary of your task for this most recent lab. Check out the original lab post first, create your own answer, and

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Answers: L2 EtherChannel 1

Answers: L2 EtherChannel 1

🕔09:05, 21.Jan 2016

Today’s lab: Check your static EtherChannel config. It’s pretty simple, but worth a quick review. Answers below the fold as usual. And check the original lab post for the lab exercise.

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L2 EtherChannel 1

L2 EtherChannel 1

🕔09:05, 19.Jan 2016

#EtherChannel takes a big step towards improving STP. With two links between switches, but without using EtherChannel, each instance of STP could use only one of the links blocking the other link. With a layer 2 EtherChannel, STP treats the

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Answers: Trunking for Only Some VLANs

Answers: Trunking for Only Some VLANs

🕔09:05, 4.Nov 2015

Time to check your config versus this latest lab. Do you recall the command and syntax to restrict a trunk on a Catalyst switch from supporting all VLANs? Go try the lab yourself on paper, then come back here and

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Trunking for Only Some VLANs

Trunking for Only Some VLANs

🕔10:30, 2.Nov 2015

VLAN trunks between Cisco Catalyst switches support all VLANs known to the switches. Then add a new VLAN, and the trunk supports it. Is that a good idea? In this post, you will get a chance to practice that common

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Answers: Basic Port Security

Answers: Basic Port Security

🕔09:05, 21.Aug 2015

As with all these labs, the answer is straightforward. In this case, the switchport was already an access port, so all you had to do was add the port security configuration. But try the lab yourself first before looking here!

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Basic Port Security

Basic Port Security

🕔09:05, 18.Aug 2015

Cisco’s Port Security feature just happens to be one of those switch features that can confuse people until they’ve configured and tested it a few times. One challenge comes from the fact that you can enable port security with one

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Answers: Basic VLANs

Answers: Basic VLANs

🕔09:05, 14.Aug 2015

As with all these labs, the answer is straightforward. In this case, you need to add a couple of global commands and some commands per interface. But try the lab yourself first before looking here! The answers sit below the

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Basic VLANs

Basic VLANs

🕔09:05, 12.Aug 2015

Configuring VLANs on access switches may be the most common repetitive configuration task in many networks. So what do you configure when adding new access devices to new VLANs? This lab gives you a chance to remember and exercise those

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Answers to a Root Question with No Direct Link to the Root

Answers to a Root Question with No Direct Link to the Root

🕔09:05, 2.Aug 2015

This post answers the Spanning Tree question linked here. If you want to noodle the question a little longer, check out the answer to a similar question that showed three switches in a triangle. To solve this question, just use the

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