Wireshark articles. This is a complex and powerful network analyser.

www.youtube.com/watch?v=6X5TwvGXHP0
In celebration of all things Shark Week, I'm biting into the basics of Wireshark!

serverfault.com/questions/96272/how-to-filter-http-traffic-i...
This is a Serverfault thread on this topic.

www.youtube.com/channel/UCQqyAwrdRGR9e8vCnaf77wA
Chappell University videos focused on network analysis, troubleshooting and security by using Wireshark.

openmaniak.com/wireshark_filters.php
As you can see it in some Wireshark tutorials, it is extremely easy to install and start Wireshark to analyze the network.
A very common problem when you launch Wireshark with the default settings is that you will get too much information on t ...

wiki.wireshark.org/DisplayFilters
Wireshark uses display filters for general packet filtering while viewing and for its ColoringRules. These easy to follow rules will help you with setting up basic filters in WireShark.

klasbricks.wikispaces.com/wireshark
Wireshark is a very good sniffer but setting up filters can be tricky so here are some ready to go filter commands and functions