Henk wrote:
> The linux server is also the internet gateway.

ok, strike that problem.

> It's only the new WAP that doesn't work. As I wrote: the client is
> successfully connected to the wireless network, but I can't access
> any network services from the client, nor internet.

So you can't ping your linux box from the client?
What does ipconfig /all show (assuming its a windows box).
Post the results here.

> Somehow the ip-traffic doesn't come "through" the WAP. E.g.: I can't
> ping the client

ping the client from the server, you mean?

> allthough it has an IP allocated to it. I _can_ ping
> the WAP, however.

Can you ping the server from the client?