Console connection problems, Junk characters appear on the screen, Network problems – Netopia R7200 User Manual
Page 202: Problems communicating with remote ip hosts, Local routing problems
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 R7200 to the factor y default before
reinitiating the configuration process. For fur ther information on resetting your Netopia R7200 to factor y
default, see
“Factor y defaults” on page 15-6
Console connection problems
Can’t see the configuration screens (nothing appears)
■
Make sure the cable connection from the Netopia R7200’s console por t to the computer being used as a
console is securely connected.
■
Make sure the terminal emulation software is accessing the correct por t on the computer that’s being
used as a console.
■
Tr y pressing Ctrl-L or Return or the up or down arrow key several times to refresh the terminal screen.
■
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
■
Tr y changing the Netopia R7200’s default speed of 9600 bps and setting your terminal emulation software
to match the new speed.
Network problems
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 R7200’s Ping utility, in the Utilities & Diagnostics screen, and tr y to Ping local and remote
hosts. See
for instructions on how to use the Ping utility. If you can successfully Ping
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 ser ver’s IP address is correct and that it is reachable from the Netopia
R7200 (use Ping).
■
If you are using filters, check that your filter sets are not blocking the type of connections you are tr ying to
make.
Local routing problems
■
Obser ve 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 ser ving. See
“Statistics & Logs” on page 13-4
for more information.