Console Connection Problems; Network Problems - Netopia R7100-C User Reference Manual

A-2 User's Reference Guide
Note: If you are attempting to modify the IP address or subnet mask from a previous, successful configuration
attempt, you will need to clear the IP address or reset your Netopia R7100 to the factory default before
reinitiating the configuration process. For further information on resetting your Netopia R7100 to factory
default, see "Factory defaults" on page

Console connection problems

Can't see the configuration screens (nothing appears)
Make sure the cable connection from the Netopia R7100's console port to the computer being used as a
console is securely connected.
Make sure the terminal emulation software is accessing the correct port on the computer that's being
used as a console.
Try pressing Ctrl-L or Return or the
Make sure that flow control on serial connections is turned off.
Junk characters appear on the screen
Check that the terminal emulation software is configured correctly.
Check the baud rate. The default values are 9600, N, 8, and 1.
Characters are missing from some of the configuration screens
Try changing the Netopia R7100's default speed of 9600 bps and setting your terminal emulation software
to match the new speed.

Network problems

This section contains tips for troubleshooting a networking problem.
Problems communicating with remote IP hosts
Verify the accuracy of the default gateway's IP address (entered in the IP Setup or Easy Setup screen).
Use the Netopia R7100's Ping utility, in the Utilities & Diagnostics screen, and try to ping local and remote
hosts. See "Ping" on page 14-2
hosts using their IP addresses but not their domain names (198.34.7.1 but not garcia.netopia.com, for
example), verify that the DNS server's IP address is correct and that it is reachable from the Netopia
R7100 (use Ping).
If you are using filters, check that your filter sets are not blocking the type of connections you are trying to
make.
Local routing problems
Observe the Ethernet LEDs to see if data traffic flow appears to be normal.
Check the WAN statistics and LAN statistics screens to see more specific information on data traffic flow
and address serving. See
14-6.
up or down
for instructions on how to use the Ping utility. If you can successfully ping
"Statistics & Logs" on page 12-4
key several times to refresh the terminal screen.
for more information.