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Cisco DPC3825 + OSX Lion Wireless

post #1 of 3
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My ISP (Shaw) informed me that this WiFi modem will work perfectly on PC and Mac. I am currently running it on 2 computers with Windows Vista (ethernet connection on both) and one brand new iMac with OSX Lion (wireless connection).

The problem is with OSX Lion when it goes to sleep and then comes back online, the internet is lost.
Here is the modem:
Cisco_DPC3825_front.jpg

and here are the WiFi settings on the router:
NLiKi.png

And I missing anything? And should I be using WiFi Protected Mode rather than Manual setup for the new iMac?
There is no additional router being used, it is all done directly through the Cisco WiFi modem.

Thanks,
Edited by revlimiter - 1/18/12 at 6:43pm
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My System
(15 items)
 
HTPC
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel i7 2600K Gigabyte Z68X-UD3H-B3 MSI GTX480 Lightning 8GB Patriot G2 Series Division DDR3 @ 9-9-9-24 ... 
Hard DriveHard DriveOptical DriveOS
10TB 7500RPM SATA3 64GB Crucial M4 CT064M4SSD2 (Boot Drive) Lite-On IHAS124-04 DVD RW Windows 10 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dual Screen (x2) Dell UltraSharp U2412M 24" IPS... Apple Keyboard (A1243) Antec Truepower New 650W Modular Corsair Carbide Series 500R 
MouseMouse PadOther
Logitech MX Anywhere 2 None Cooler Master Hyper 212+ 
CPUMotherboardGraphicsRAM
AMD A6-5400K MSI FM2-A75MA-E35 AMD Radeon HD 7540D 8GB Patriot G2 Series Division DDR3 @ 9-9-9-24 ... 
Hard DriveHard DriveOSCase
64GB Crucial M4 CT064M4SSD2 Toshiba HDKPC08 3TB SATA3 7200RPM 32MB Cache Windows 8 Professional 64-bit Apex DM-387 mATX HTPC Case w/ 275W PSU 
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post #2 of 3
I'd change the channel from Auto to the least used non-overlapping one in your area, to start.

What do you do to get your connection back? Do you have to restart the router or the Mac?
    
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post #3 of 3
Lion has some problems with wifi. There are a few work arounds on the net. Before you make any changes to your network I would try the soultions here. Seems to happen a lot that the "Automatic" location's settings become corrupt or remain corrupt before the update Apple released, by making a new location you should solve your problem.
Edited by pinkfloyd1 - 1/18/12 at 6:49pm
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