In Lesson 16 , you had a chance to see how to implement simple VLAN scenario. It is relatively easy to configure VLANs, but what is far more...
Lesson 16 - VLANs In Practice
Lesson 15 introduced another layer 2 concept called VLANs (Virtual Local Area Networks). If you understand their purpose, it is time to get...
Lesson 15 - VLANs Overview
At this stage you should be familiar with the concepts related to TCP/IP traffic flow and switch operation. You should also feel confident a...
Lesson 14 - NTP and Syslog Services
My previous three posts were a humble attempt to show you some real life networking issues and how to go about them using the skills descri...
Lesson 13 - Layer 2 Connectivity Troubleshooting Part 3
This lesson is the last one in the series on how to troubleshoot connectivity issues at the layer 2 of OSI model. Bear in mind, that these ...
Lesson 12 - Layer 2 Connectivity Troubleshooting Part 2
In the previous lesson I attempted to show you how to go about a performance problems we might experience due to the duplex mismatch. It wa...
Lesson 11 - Layer 2 Connectivity Troubleshooting Part 1
The last two lessons I tried to explain the foundations related to layer 2 operation. I discussed very important switching process and CDP ...
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