I'm having some trouble with my wireless router, so I thought I'd ask. I have a TP-Link WR941N, and every once in a while it will make internet speeds slow down by different degrees. I'm supposed to have 3 Mb/s, but sometimes I'll get anything from that down to 0.2 Mb/s on a couple of particulary bad days. I'm pretty sure it's the router's fault because I've tested with an older one and it works more or less fine, and it's not the wireless because this also happens on a wired PC.
Of course, I don't expect anyone to be able to just tell me the solution with this little information. What I'd like to know is how to tell if there's a configuration issue or the thing is just faulty. I've been snooping around in the router's admin interface, but I haven't had much success. Are there configuration options that are a known cause of problems like this?