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Part 1 - Ethernet LANs

Interpreting show stp (1) – Answers

Interpreting show stp (1) – Answers

🕔09:05, 26.Jan 2018

Of all #CCNA topics in the ICND2 half of CCNA, Spanning Tree Protocol (STP) looms with more intimidation than most. As for Mastering STP verification, the process begins with mastering the show spanning-tree command. This latest sample question focuses on

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Question: Interpreting show stp (1)

Question: Interpreting show stp (1)

🕔10:05, 24.Jan 2018

To analyze Spanning Tree for #CCNA, you need to think about the root switch, then the root ports on the non-root switches, and then designated ports. That analysis usually begins with the show spanning-tree command – a command that packs

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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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