3Com Dual 56K User Manual page 127

Table 6 Symptoms, Causes, and Solutions
Symptom
(continued)
Possible Cause
Incompatible IP address on your
computer
Your Web browser may be
configured to use a proxy server.
There is a configuration problem. Reset the Dual 56K LAN Modem to the factory default
The wrong cable may be
connected to the LAN port on the
Dual 56K LAN Modem and your
computer.
Workstation is set to use a Static
IP address
Evaluating Symptoms and Solutions
Solution
Reset the IP address on your computer, as follows:
Windows 95 and 98:
1 Run winipcfg.exe.
2 Select the Ethernet adapter connected to the Dual
56K LAN Modem.
3 Click Release All and then Renew All.
Windows 2000 and NT 4.0:
1 Run ipconfig /release and then ipconfig /renew.
Macintosh:
1 From the Apple menu, select Control Panels, and
then TCP/IP.
2 In the Connect via field, make sure Ethernet is
selected.
3 In the Configure field, select Using BootP Server to
clear the fields.
4 Close and save your changes.
5 Re-open the TCP/IP control panel, and select Using
DHCP Server. The fields should now read <will be
supplied by server>.
6 Select File, then Close, saving your changes.
Launch your Web browser, and set it to use the LAN
Modem, as follows:
Internet Explorer:
1 From the View menu, choose Internet Options.
2 Click the Connection tab.
3 Uncheck the box labeled Connect using proxy
server.
Netscape Navigator:
1 From the Edit menu, choose Preferences.
2 Under Advanced, choose Proxies.
3 Check the box labeled Direct Connection to the
Internet.
setting. Refer to "Resetting the Dual 56K LAN Modem"
in this chapter for assistance.
Make sure you are using the 8-pin to 8-pin cable
labeled Ethernet that was provided with your Dual 56K
LAN Modem. If you are using another 10BASE-T
Ethernet cable, it must be a straight-through cable.
Configure the workstation to use dynamic IP
addressing; refer to "Checking TCP/IP and IP
Address Settings"in Chapter 3.
Or:
Follow the setup procedure for a
Statically-configured workstation; refer to "Setting
Up Your Computer If You Have a Static IP Address"
in Chapter 3.
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