WiFi6 with Cisco 9100 Series AP
I am really excited to write about WiFi6 (802.11ax), which is the next generation WiFi after 802.11n (WiFi4) in 2009 …
Category Archives: Wireless Troubleshooting
WiFi Captures with Sniffer mode AP
In this post we will see how you can use Cisco AP in sniffer mode to capture wireless packets with …
WLC Client Debug – Part 2
In this post we will see how to utilize “debug clinet x.x.x.x” output to understand the process a wireless client …
WLC Client Debug – Part 1
When you are troubleshooting wireless client connectivity issues there is a one command you always need to use. “debug client …
802.11ac Wireless Packet Captures
In this post we will see how to capture 802.11ac wireless frames using Cisco AP (802.11ac AP like 3700/2700/1700) as …
Decrypt WPA2-PSK using Wireshark
In this post we will see how to decrypt WPA2-PSK traffic using wireshark. This is useful when you study (my …
How Fast is your Network – iPerf ?
Have you ever get complaints from users stating “Network is too slow” ? how do you measure network throughput in …
Mobility Ping Tests
Controllers in a mobility list communicate with each other by controlling information over a UDP port 16666 ( src & …
Deubug EAP Client Authentication
Here is the debug client <mac-address> output when my C7921 phone while associate to the network.My wireless network is configured …
Troubleshooting Wireless LAN
I went to a CiscoLive2013-Melbourne breakout session about Troubleshooting WLAN done by Surendra BG- Sr wireless TAC Enginner. It was …
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