Pacet data capture

Squirrel Code
1

Hi guys.

Is there anyway i can capture packet data between my imp and my wifi hotspot to analyze the data? like succesful and dropped packets?

thanks.

Glenn

2

I suppose you can use Wireshark on a pc on the same network to monitor datastreams

3

but wouldnt that monitor the connection between the pc and the network and not the datastream from the imp to the network?

4

you should be able to monitor all data traffic on the local network

5

so do i just try to find my imp mac address in there somewhere?

6

how do i find my imps ip address so i can find and filter it on wireshark its sending data to xively as destination

7

your Imp doesn’t communicate with Xively. The Imp only communicates with the Imp-server and the Agent (which is hosted on the Imp-server) communicates with Xively

8

Look in your routers connection table for the Imp MAC address.
imp.configure("MAC Address", [], []); server.log(imp.getmacaddress());
or look at the back of the Imp, where it is printed…

Just curious, why do you want to capture your data? you can’t read it anyway. It is encrypted

9

i have managed it with wireshark i just filtered the MAC address i used the api to get it.
im doing a uni project on wireless sensor networks and wanted to show how much data was lost but difficult with 5min polls? i havegot something with a graph that shows the mac address connection status and the traffic so that will do.

Thanks for your help.

10

You really shouldn’t be seeing any TCP packet loss on a local wifi network; packets are acknowledged (and retried) at 802.11 level.