IT internships

Okay so I have an opportunity to work with a network administrator this summer. It’s an unpaid internship and I have to drive 46 miles each way. Fuel cost is being covered by a third party.

I’ve got a BA in Management Information Systems and I’m currently working on a few entry level certifications. For example: A+ and Net+. Will be taking some Cisco courses at the community college in the Fall.

Question: How long should I intern for the network administrator before moving onto other possible opportunities? I’ve got no experience working within the IT field. I guess, my questions is how long do people usually intern for something like this? I was told I could stay as long as I like.

Thanks,
FH