3Com 3CRWE554G72 User Guide - Page 84

Connecting to the Internet, Clone MAC Address

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Page 84 highlights

84 CHAPTER 6: TROUBLESHOOTING Connections tab and click on the LAN Settings button at the bottom. Make sure that the Proxy Server option is unchecked. ■ If you cannot browse to the Gateway, use the winipcfg utility in Windows 95/98/ME to verify that your computer has received the correct address information from the Gateway. From the Start menu, choose Run and then enter winipcfg. Check that the computer has an IP address of the form 192.168.1.xxx (where xxx is in the range 2-254), the subnet mask is 255.255.255.0, and the default Gateway is 192.168.1.1 (the address of the Gateway). If these are not correct, use the Release and Renew functions to obtain a new IP address from the Gateway. Under Windows 2000, use the ipconfig command-line utility to perform the same functions. ■ If you still cannot browse to the Gateway, then use the Discovery program on the accompanying CD-ROM as described in Appendix A. Connecting to the Internet If you can browse to the Gateway configuration screens but cannot access sites on the Internet, check the following: ■ Confirm that the physical connection between the Gateway and the cable/DSL modem is OK, and that the link status LEDs on both Gateway and modem are illuminated. ■ Confirm that the connection between the modem and the cable/DSL interface is OK. ■ Ensure that you have entered the correct information into the Gateway configuration screens as required by your Internet Service Provider. Use the "Internet Settings" screen to verify this. ■ For DSL users, check that the PPPoE or PPTP user name, password and service name are correct, if these are required. Only enter a PPPoE service name if your ISP requires one. ■ For cable users, check whether your ISP requires a fixed MAC (Ethernet) address. If so, use the Clone MAC Address feature in the Gateway to ensure that the correct MAC address is presented, as described on page 60. ■ For cable users, check whether your ISP requires a fixed Host Name. If so, enter the required Host Name in the Internet Settings screen. ■ Ensure that your computers are not configured to use a Web proxy. On Windows computers, this can be found under Control Panel > Internet Options > Connections.

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84
C
HAPTER
6: T
ROUBLESHOOTING
Connections
tab and click on the
LAN Settings
button at the bottom.
Make sure that the
Proxy Server
option is unchecked.
■
If you cannot browse to the Gateway, use the
winipcfg
utility in
Windows 95/98/ME to verify that your computer has received the
correct address information from the Gateway. From the
Start
menu,
choose
Run
and then enter
winipcfg
. Check that the computer has
an IP address of the form 192.168.1.xxx (where xxx is in the range
2-254), the subnet mask is 255.255.255.0, and the default Gateway is
192.168.1.1 (the address of the Gateway). If these are not correct, use
the
Release
and
Renew
functions to obtain a new IP address from the
Gateway. Under Windows 2000, use the
ipconfig
command-line
utility to perform the same functions.
■
If you still cannot browse to the Gateway, then use the Discovery
program on the accompanying CD-ROM as described in
Appendix A
.
Connecting to the
Internet
If you can browse to the Gateway configuration screens but cannot
access sites on the Internet, check the following:
■
Confirm that the physical connection between the Gateway and the
cable/DSL modem is OK, and that the link status LEDs on both
Gateway and modem are illuminated.
■
Confirm that the connection between the modem and the cable/DSL
interface is OK.
■
Ensure that you have entered the correct information into the
Gateway configuration screens as required by your Internet Service
Provider. Use the “Internet Settings” screen to verify this.
■
For DSL users, check that the PPPoE or PPTP user name, password and
service name are correct, if these are required. Only enter a PPPoE
service name if your ISP requires one.
■
For cable users, check whether your ISP requires a fixed MAC
(Ethernet) address. If so, use the
Clone MAC Address
feature in the
Gateway to ensure that the correct MAC address is presented, as
described on
page 60
.
■
For cable users, check whether your ISP requires a fixed
Host Name
. If
so, enter the required
Host Name
in the
Internet Settings
screen.
■
Ensure that your computers are not configured to use a Web proxy.
On Windows computers, this can be found under
Control Panel
>
Internet Options
>
Connections
.