Unresponsive Internet Every Minute

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https://bbs.archlinux.org – I recently installed Arch Linux on a new computer from the ISO image provided on the website and upgraded all of the packages to their recent versions. I am having a problem with my internet. The internet is sluggish and every 30 to 60 seconds just stops working altogether. Sometimes it comes become in a couple of minutes, sometimes it does not. If I manually bring down the interface and put the interface back up using netcfg, then I can use the internet for another minute before it becomes completely unresponsive. Has anyone encountered this problem?Here is the information on my system. Here (HowTos)