Canon EOS-7D Instruction Manual page 93

What to check on the proxy server
Is the power of the proxy server on?
Turn on the proxy server.
Is the proxy server working correctly?
Check the proxy server settings to make sure it is working correctly
as a proxy server.
If applicable, ask your network administrator for the proxy server's
address setting and port number, then enter them on the camera.
What to check on the network as a whole
Does your network include a router or similar device that
serves as a gateway?
If applicable, ask your network administrator for the network
gateway address and enter it on the camera.
Make sure that the gateway address setting is correctly entered on
all network devices, including the camera.
Responding to Error Messages
93