<div>
will respond to this in some time
</div>


<div>
<div class="content wysiwyg-content">
HI,<br />
I need help understanding the following filter in wireshark : <br />
<b>wlan.addr == b4:52:7e:62:6c:4d &amp;&amp;&nbsp;wlan.fc.type_subtype == 0x04 || wlan.fc.type_subtype == 0x05<br />
</b><br />
what does wlan means and this type_subtype ?<br />
<br />
Thanks
</div>
</div>


HI,
I need help understanding the following filter in wireshark : 
wlan.addr == b4:52:7e:62:6c:4d && wlan.fc.type_subtype == 0x04 || wlan.fc.type_subtype == 0x05

what does wlan means and this type_subtype ?

Thanks

Understanding a filter in wireshark

Network analysis is the process of identifying and remediating the processes and systems within a network, including performance, connectivity and security. The process is performed through the use of tools developed for monitoring and analyzing network activity. Network problems that involve finding an optimal way of doing something are studied under the name combinatorial optimization. Examples include network flow, shortest path problem, transport problem, transshipment problem, location problem, matching problem, assignment problem, packing problem, routing problem, Critical Path Analysis and PERT (Program Evaluation & Review Technique).

Network Analysis

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.