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[david_uk]

Hi, I'm not particularly technical but here goes.

The old 615 has been working very well for some years now, but the last couple of days we have had to turn it off and on again to get internet. It has happened 3 times in the last 24 hours. The globe light on the router remains green, and the notification icon on windows 7 doesn't show any problems yet we cant connect to the web. I've been looking on the forum and trying to understand some of the solutions and checklists already posted, but they don't make a whole load of sense to me unfortunately.

The firmware on the router is 2.27. The only change I have made to the system is that my wife's lan card seems to have died a death last week, and her computer is now connected by wireless. My computer is now the only one connected to the router by a lan cable.

There is something I don't understand. Under setup / network there is a dhcp reservations section. Pretty much every device seems to have a reserved IP address, and some of the devices that are reserved we no longer own. My son does gaming and wants a constant IP address, and my computer might need a permanent IP (don't know - just guessing here). Should all the other computers be allowed to sort themselves an IP every time they log on? Most of the devices have expires never, and some of the devices have the blue link that I can click for revoke and reserve with a time by them.

Am I barking up the wrong tree here and this lot has nothing to do with the dropping connection? What do the revoke / reserve and times mean? What happens when the lease runs out? Will the connection drop on that computer and it will have to try and connect itself again, or does it start a new lease every time it logs on to the router?

Many thanks

[FurryNutz]

Link>Welcome!
What Hardware version is your router? Look at sticker under router.

What region are you located?
Has a Factory Reset been performed?

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?
What ISP Modem make and model do you have?
If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.
Double NAT
To tell if the modem is bridged or not, look at the routers web page, Status/Device Info/Wan Section, if there is a 192.168.0.# address in the WAN IP address field, then the modem is not bridged.
If the modem can't be bridged then see if the modem has a DMZ option and input the IP address the router gets from the modem and put that into the modems DMZ.

Some things to try: - Log into the routers web page at 192.168.0.1.
Turn off ALL QoS or Disable Traffic Shaping (DIR only) GameFuel (DGL only and if ON.) options. Advanced/QoS or Gamefuel.
Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices ON the router. Setup/Networking
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP under Advanced/Firewall.
Enable uPnP and Multi-cast Streaming under Advanced/Networking. Disable uPnP for testing Port Forwarding rules.

Link>Wireless Installation Considerations
What wireless modes are you using? Under Setup/Wireless/Manual.
Try single mode G or N or mixed G and N?
Channel Width set for Auto 20/40Mhz or try 20Mhz only.
Try setting a manual channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear.
What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto.
What wireless devices do you have connected?
Any cordless house phones?
Any other WiFi routers in the area? Link> Use InSSIDer to find out. How many?
Turn off WISH, and WPS under Advanced.
Try turning off Short GI, WLAN Partition,and Extra Wireless Protection if you have it. Under Advanced/Advanced Wireless.
Enable WMM Enable Under Advanced/Advanced Wireless.
Turn off all anti virus and firewall programs on PC while testing. 3rd party firewalls are not generally needed when using routers as they are effective on blocking malicious inbound traffic.
Turn off all devices accept for one wired PC while testing.

Check cable between Modem and Router, swap out to be sure. Link> Cat6 is recommended.

When the lease time runs out, upon the next reboot or reconnection of the device, means that the device may get a new IP address. The connection while the device is online and connected is un-effected until the reboot or reconnection has taken place. It's highly recommended to reserve IP addresses ON the router for each device so that everytime it's connected it gets the same IP address every time, doesn't conflict with other devices and helps in troubleshooting?