March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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Getting ready
We will discuss two issues in this recipe:
- How to monitor traffic inside a VLAN?
- How to view tagged frames going through a VLAN-tagged port?
In the first case, a simple configuration is required. In the second case, there are some points to take care of.
While capturing on a VLAN, you won't necessarily see the VLAN tags in packets. The question of whether you will see the VLAN tags actually depends on the operating system you are running, and whether your Network Interface Card (NIC) and the NIC driver support this feature.
The question of whether your OS and NIC supports VLAN tagging entirely depends on the OS and the NIC vendor. Go to the vendor's manuals or Google to find out.
In the following diagram, you can see a typical ...
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