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User Guide
ICE D-20 Wireless Broadband Gateway Table of Contents
Huawei Technologies Proprietary
4-1
Chapter 4 Troubleshooting
4.1 Troubleshooting
4.1.1 The Host in the LAN Cannot Access the Internet
I. Symptom
The host in the wired LAN connected with D-20 cannot access the Internet.
II. Causes
z From the aspect of the host: the network configuration of the host and the network
card of the host
z From the aspect of D-20: the connection to the power and the configuration of
D-20
z From the aspect of network: the connection of Ethernet and the CDMA network
III. Troubleshooting
You can locate the problems as follow.
1) If the power indicator of D-20 is on, it means the power connection is normal; if it is
off, check the power connection of D-20.
2) There are five green indicators of signal strength on the panel of D-20. If none of
the signal strength indicator is on, make sure the CDMA network covers your
location area.
3) If there is CDMA network coverage, check the network mode. For the primary
users, the HYBRID network mode is recommended.
4) The”1”,”2”, “3” and “4” indicators of D-20 represent the Ethernet interfaces. If the
indicator is off, check the physical connection of the corresponding Ethernet
interface.
5) Make sure that PPP Username and PPP Password are correctly configured. For
details, see
3.3.5 I. "Configuring the parameters of WAN ".
6) If DHCP service is disabled, and the host still adopts the automatic mode, the host
cannot access the Internet. You can set the IP address of the host manually. For
details, see
Figure 4-1.