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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Wireless station not joining a specific SSID
Run Wireshark in monitor mode and filter the traffic sent and received by a wireless station (device under troubleshooting), with applicable filters.
As discussed in previous chapters, locate the field of interest in a given frame, right-click on it, and select Apply as Column to add the field as a column. For example, you can add data rate, strength, and so on, which will be very helpful during troubleshooting.
Consider a scenario where an Apple wireless device just got activated and joining is an SSID. As you see next, the wireless device sends a probe request and gets a probe response from the AP. Filter used: (wlan.fc == 0x4000) or (wlan.fc == 0x5008):
Figure 9.13: Probe request and response ...
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