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Reference Guide for the Model RP114 Web Safe Router
Troubleshooting 11-7
Testing the Path from Your PC to a Remote Device
After verifying that the LAN path works correctly, test the path from your PC to a remote device:
• From the Windows run menu, type PING -n 10 followed by the IP address of a remote
device such as your ISP’s DNS server.
If the path is functioning correctly, replies as in the previous section are displayed. If you do
not receive replies:
— Check that your PC has the IP address of your router listed as the default gateway. If the IP
configuration of your PC is assigned by DHCP, this information will not be visible in the
control panel network utility. Go to the Run… window and run winipcfg. The IP address
of the router should appear as the Default Gateway.
— Check to see that the network address of your PC (the portion of the IP address specified
by the netmask) is different from the network address of the remote device.
— Check internal Manager Menu 24.1 to verify the WAN status. If the menu indicates the
WAN status as down, check that your cable or DSL modem is connected and functioning.
— Check the error log in Menu 24.3.1 for any indication of problems.
— If your ISP assigned a host name to your PC, enter that host name as the router name in
Menu 1.
— Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Most
broadband ISPs restrict access by only allowing traffic from the MAC address of your
broadband modem, but some ISPs additionally restrict access to the MAC address of a
single PC connected to that modem. If this is the case, you must configure Menu 2 to
allow the router to “borrow” or “spoof” the MAC address from the authorized PC. Refer
to “WAN Setup”onpage 7-7.
Troubleshooting the Manager Interface
If you cannot access the Manager interface by using the Telnet Protocol:
• Verify the Ethernet connection between your PC and the router. Refer to “Testing the LAN
Path to Your Router,” on page 11-5.
• If you are attempting to telnet from the WAN side, you must disable the factory default Telnet
filter that prevents Telnet access from the WAN. Refer to Chapter 10, “Configuring Filters,”
for information about setting and clearing filters.