Laptops Internet Connection Keeps Fluctuating

Jun 5, 2012

my computer is a laptop and its about 3 years old. Ive been experiancing problems with my internet connection...It seems that it is fluctuating between local and internet to just local every 5 minutes or less. Usually I fix problems with my software no problem this time

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My new e3200 setup just fine with Cisco Connect.  I have consistently good speeds with a direct ethernet connection, but the wireless speeds fluctuate widely.  When I power cycle the router, I'll have perfect speeds for a few minutes and then it'll slow to a crawl (approx 0.5Mbps).  Then for no apparent reason, it will speed back up to normal, and then back down to a crawl.  I'm using the latest firmware and have allowed Cisco Connect to manage the router so far.This is actually my 2nd router, as Tech Support told me when I experienced this with the first router that it was defective, but I'm seeing the same problem with the 2nd router, so I know something isn't quite right.  

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I have 2 older xp pro tough books that connect to my domain via a pair of versa vx 400 access points. automobile technicians use these computers to communicate with cars via a separate wireless card and WiFi device (SPX MVXI) that broadcasts a wireless signal.they always connect just fine to the network but sometimes they drop there connection and don't rejoin which screws up my scheduled tasks (nightly upload). They will reacquire the connection every time if i select it again manually in the windows wireless config.here is what I have done so far

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I have battling this issue since I bought this router, at least 2 years.

Using:

DIR-615
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All DHCP reserved
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Not sure what other router info you need. All are connected to the internet, but can't see each other on the LAN. We can see each other from time to time. Sharing is allowed. Passwords are shared. I can power off the router and the network will be fine for about a day, then gone again. Workgroups are the same.

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Here is the config file of the router in question...
 
router#show run
Building configuration...
Current configuration : 11776 bytes

[Code].....

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i have been using one laptop via wlan for over a year,, bought a new laptop couple of days ago,, now both of them connect to router but cant go online at the same time,, if i disconnect the old laptop from wireless router the new laptop works,, if i dissconect the new laptop the old laptop works??

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