Network

At a bit of a loss on how to proceed with this challenge and I’m asking for guidance. I have so far determined the that .cap file contains traffic from a wireless communication between device and WAP including the initial handshake. From there I ran airdump-ng against the file hoping to crack the WEP but unfortunately there not enough IV packets for the software to pull the WEP.

Do I need to be more specific with the airdump options to extract the key or am I barking up the wrong tree!!

Many thanks for any suggestions.