Setting a static address
By default, the radios are set up to use the DHCP addressing procedure on your network. This means your router will automatically assign the appropriate network addresses for your radio. On occasion, this procedure can fail, and the radio is unable to connect reliably to your network and the internet. Setting a static or fixed address for your radio can sometimes resolve conection problems.
Follow the steps below to set up your radio with a static address. If this doesn't work then there are probably other router-related issues preventing reliable operation (which often involve firewall settings within your router).
You can always revert to Auto DHCP connection if static setup fails to solve your problem.
Discover your network addresses
If you're not sure of your network addressing, then the following may help you sort out what you need to enter in the Network Config, Edit Config.
In Windows, go to the C: prompt, then run ipconfig/all
This will give you a string of information about network addresses. the ones of interest are (with typical values as examples. Yours may differ but the patterns are the same):
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IPV4 address 192.168.0.128 (preferred) - this is your PC address
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Subnet mask 255.255.255.0
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Default Gateway 192.168.0.1
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DHCP server 192.168.0.1
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DNS Server 192.168.0.1
Setting a static address
Go to Configure/Settings - Network Config - Edit Config - Switch off Auto DHCP. You will then be asked to enter specific network addresses:
At the radio you need to enter a different IP address (eg. 192.168.0.140) from any other unit on your network.
Then enter the same subnet, Gateway and DNS server addresses (you can also use the open DNS address of 208.67.222.222).
When you answer No to the second DNS server, the radio should reconnect using the above static addresses.
The addresses above are for a typical standard wifi network using standard routers. You may have slightly different numbers.
Revert to Auto DHCP addressing
To wipe out any static addresses, just set the Auto DHCP to yes. For this setting to work you must have a valid DHCP server running on your router - check ipconfig/all to get the DHCP server address - if it's something like the example above, it should work.
There's a more detailed discussion of this procedure here:
http://logikir100.tripod.com/ir100staticIP.htm