Re: WiFi Information

[Stephen Fisher <steve () stephen-fisher com>]

On Dec 26, 2009, at 2:07 PM, George Roebe wrote:

> Hi, I'm trying to get information similar to Statistics---Wlan  
> traffic statistics using Tshark instead of wireshark. I need this  
> for two reasons. The first is that when using the bssid given WLAN  
> window in wireshark, I get '"Cisco_??:??:??" is not a valid hostname  
> or Ethernet address.' error (? are acual values, obscured due to  
> this being a public list).

This can be changed in the preferences to show the full MAC address.   
In the Wireshark GUI, you can uncheck "Enable MAC name resolution" in  
the Preferences -> Name Resolution section.  In the WLAN statistics  
window, un-checking Name resolution should do the trick too (and then  
you won't have to do it in the main preferences unless you want to).

> The second is that I have little memory and opening the sniffer  
> traces is extermely intensive for my machine and the wireshark gui  
> performs slowly---I prefer a command line inteface. I'm thankful for  
> hints and help!

A separate section of code usually needs to be written to show  
statistics on the command-line from tshark.  They are contained in the  
root of the source tree and called tap-[stat name].c.  I don't see a  
file for WLAN Statistics nor do I see it in the list when you look at  
the tshark man page for the -z option.  You can file an enhancement  
request bug at https://bugs.wireshark.org to say that you would like  
to see this feature and someone will implement it if they have the  
time and initiative.


Steve
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