MOB Subject 8 - WiFi Practical Traces Analyzes

1

MOB Subject 8 - WiFi Practical

Traces Analyzes

1. Configuration of a WiFi card

You will have to find the answers for these questions while searching on the Web.

1. What are two modes of connection allowed with WiFi?

2. What are different modes in which a WiFi card can be configured, and what do they

correspond to?

3. How do you configure a Wifi card under Linux to make it function in a network named

"TPMOB" in ad hoc mode or infrastructure, on a network having a shared key WEP "toto".

4. What are the parameters that one can modify during the configuration of the WiFi cards?

2. Traces Analyze

The traces has to analyze are to download from the folder:

/Infos/lmd/2004/master/ue/mob2005fev/Traces_sujet4/.

Trace 1

1. Which information can you obtain from this trace on the architecture (MAC Address

and IP of the implied stations in the exchanges, ad-hoc mode or infrastructure). How do

you identify the mode?

2. How many different IP packets were generated within the framework of this exchange?

3. Can one know if the recipient of ICMP packets is a mobile station or an AP?

4. Can one know the command which is of the origin of this exchange (between trace-route

and ping)? Why.

Trace 2

1. Which difference do you see with the preceding trace?

Trace 3

1. Which information of management is exchanged are in this trace and for what it serves?

2. How many AP do you see in the radio environment?