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[drhansenjr]

I have a DIR-655 and OVERALL like it -- but there is one HUGE flaw. 

I have set up several MAC address-based rules/schedules to restrict the times of use by my kids.  FOR THE MOST PART these work fine (all clients on wireless).   BUT at random intervals, all of the PCs with these MAC-based rules/schedules in place suddenly lose their internet connection (i.e. get blocked by the router).  This does not happen to me or my wife (neither of our laptops have MAC-based restrictions in place for them).  A reboot of the router reestablishes connectivity for the blocked machines.  This reboot is something I find myself doing daily -- sometimes multiple times per day.  I have verified that the latest firmware version is in place.  Does ANYONE have ANY idea what is going on here?

Thanks!

[FurryNutz]

What HW version is your router?

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?

Ensure DNS IP addresses are being filled in under Setup/Internet/Manual?
Turn off Advanced DNS Services if you have this option.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices on the router.
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP.

Ensure the Time on the router is properly set up too.

What wireless modes are you using?
Try single mode G or mixed G and N?
What security mode are you using? WEP, WPA or WPA2? Preferred is WPA2.
What wireless devices do you have connected?
Any cordless house phones?

Turn off all anti virus and firewall programs on PC while testing.
Turn off all devices accept for one wired PC while testing.