WRT160NL built in DHCP server and WEB server stop to work

Hello all!
My home network based on the WRT160NL with one wireline PC, two wireless PCs and wireless printer works with no problems - connections are at full speed, no drop outs, wireless and wireline QOS is perfect. But then quite regularly every two or three days suddenly the router internal DHCP servers stops to work - I see with the wireshark that my wireline PC sends the DHCP requests to the router but router does not reply to them. If at the same moment the other PC's are allready in use and got theirs IP before they can surf the internet uninterrupted. Only router reboot helps to solve this situation. After the reboot DHCP server immediately acknowledges DHCP request from the PC and assigns him his IP number.
Sometime this situation occurs when IP address is already assigned, I can surf the internet, routing works, I can ping the router but I can not access the router's built in web server. Neither via IE, neither via FF.
I do not use P2P programs, IP traffic over the router is very light - no internal traffic between PCs, no file transfers to the USB flash key and WAN internet connection is 1Mbs. I have upgraded to the latest firmware Ver.1.00.01.17. Nevertheless problem occurs quite regularly about every three days.
I try to reproduce the problem more frequently and there is the way how to do that - I start to watch IP TV on my wireline PC (usually I watch my IP TV via the STB connected directly to the DSL modem) so IP TV multicast now goes through the router. It is about 5 - 6 Mbs and about 500 pps of IP traffic. This IP TV stream very often causes internal web server and DHCP server to stop. So although I can watch IP TV and surf the web on my PC with no problems, if other PC's are powered up during this situation they will not get theirs IP addresses.
I see in other posts on this forum that similar behavior can be triggered also with the heavy read/write traffic to the attached USB flash key.
So my conclusion would be:
- are the problems above known to Linksys/Cisco, do they acknowledge them, do they work on them
- when we can expect new firmware release - can we expect new release for this model at all
Best regards
Message Edited by srus on 02-12-2010 04:05 AM
Message Edited by srus on 02-12-2010 04:14 AM

Ridcully thank you for your post, I did not execute the procedure you suggested. Prior to execute it I want to get more background on it? Why do you think that reconfiguring from the factory defaults would solve my problem? Are you 100% sure that this is the solution or are you just guessing?
Router offers backup and restore functionality where you can store current configuration into file on PC and latter restore it. Can I use this functionality in your procedure or should I reconfigure all router settings manually?

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