Airport Extreme Disappears (wi-fi and wired)

I've had a Airport Extreme for the past 2+ years and it has worked near flawlessly until a just few weeks ago.  At first I thought the problem (described below) was just an isolated incident, but it is now occuring several times a week and sometimes even a few times a day.
My network configuration is simple, I have a Cable Modem connected to the AE which connects to various clients in the house both wirelessly and wired.
I'll be working away on something, either at my iMac (wired) or on my Macbook (wireless), when all of a sudden my connection to the AE and internet is lost.  Both my private and guest wi-fi networks disappear as does my wired network, and the AE can no longer be found by Airport Utility via both wi-fi or wired connections.  Airport Utility tells me that no base stations are on the network and will hum away indefinately looking for one.
When I physically inspect the AE the status light is green (as are all the status lights on my cable modem), but to correct the issue I must bounce the power on the AE.  Once the AE's power has been cycled, all quickly returns to normal, connectivity is restored and the AE can again be seen and accessed through Airport Utility. 
I've performed a two factory resets of the AE, but the problem persists. 
I'm not much of a network guy and nothing of any substance has changed on the network in recent months, so I am puzzled as to what could be causing this and what to do about it.  Any suggestions?  Could this be a sign of the AE's impending death?
TIA!

Please post if this happens again. I already posted another thread on this so I won't elaborate here but I am having intermittent freezes of both AirPort Extreme and Express - solid green light, no connectivity of either wired or wireless connections from the devices. Still haven't found a fix! I'm also on 7.6.3 but the problem was occurring on 7.6.1 so I don't think that it is related to firmware per se. There are some threads going WAY back (2006) describing this situation but it never seems to have been resolved.

Similar Messages

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    Message was edited by: Sean4258

    SOMEONE FROM APPLE PLEASE HELP US!
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