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Chapter 37 Troubleshooting
eircom F1000 Modem User’s Guide
281
5
Reset the device to its factory defaults, and try to access the Device with the default IP address.
See
Section 1.6 on page 22
.
6
If the problem continues, contact the network administrator or vendor, or try one of the advanced
suggestions.
Advanced Suggestions
•
Make sure you have logged out of any earlier management sessions using the same user account
even if they were through a different interface or using a different browser.
•
Try to access the Device using another service, such as Telnet. If you can access the Device,
check the remote management settings and firewall rules to find out why the Device does not
respond to HTTP.
I can see the
Login
screen, but I cannot log in to the Device.
1
Make sure you have entered the password correctly. The default admin password is the wireless key
printed on the back of the Device. The field is case-sensitive, so make sure [Caps Lock] is not on.
2
You cannot log in to the web configurator while someone is using Telnet to access the Device. Log
out of the Device in the other session, or ask the person who is logged in to log out.
3
Turn the Device off and on.
4
If this does not work, you have to reset the device to its factory defaults. See
Section 37.1 on page
279
.
I cannot Telnet to the Device.
See the troubleshooting suggestions for
I cannot see or access the Login screen in the web
configurator.
Ignore the suggestions about your browser.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload
new firmware.
See the troubleshooting suggestions for
I cannot see or access the Login screen in the web
configurator.
Ignore the suggestions about your browser.
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282
37.3
Internet Access
I cannot access the Internet.
1
Check the hardware connections, and make sure the LEDs are behaving as expected. See the
Quick Start Guide
and
Section 1.5 on page 20
.
2
Make sure you entered your ISP account information correctly in the
Network Setting >
Broadband
screen. These fields are case-sensitive, so make sure [Caps Lock] is not on.
3
If you are trying to access the Internet wirelessly, make sure that you enabled the wireless LAN in
the Device and your wireless client and that the wireless settings in the wireless client are the same
as the settings in the Device.
4
Disconnect all the cables from your device and reconnect them.
5
If the problem continues, contact your ISP.
I cannot access the Internet through a DSL connection.
1
Make sure you have the
DSL WAN
port connected to a telephone jack (or the DSL or modem jack
on a splitter if you have one).
2
Make sure you configured a proper DSL WAN interface (
Network Setting > Broadband
screen)
with the Internet account information provided by your ISP and that it is enabled.
3
Check that the LAN interface you are connected to is in the same interface group as the DSL
connection (
Network Setting > Interface Group
).
4
If you set up a WAN connection using bridging service, make sure you turn off the DHCP feature in
the
LAN
screen to have the clients get WAN IP addresses directly from your ISP’s DHCP server.
I cannot connect to the Internet using a second DSL connection.
ADSL and VDSL connections cannot work at the same time. You can only use one type of DSL
connection, either ADSL or VDSL connection at one time.
I cannot access the Internet anymore. I had access to the Internet (with the Device), but my
Internet connection is not available anymore.
1
Your session with the Device may have expired. Try logging into the Device again.
Page 283 / 359
Chapter 37 Troubleshooting
eircom F1000 Modem User’s Guide
283
2
Check the hardware connections, and make sure the LEDs are behaving as expected. See the
Quick Start Guide
and
Section 1.5 on page 20
.
3
Turn the Device off and on.
4
If the problem continues, contact your ISP.
37.4
Wireless Internet Access
What factors may cause intermittent or unstabled wireless connection? How can I solve this
problem?
The following factors may cause interference:
•
Obstacles: walls, ceilings, furniture, and so on.
•
Building Materials: metal doors, aluminum studs.
•
Electrical devices: microwaves, monitors, electric motors, cordless phones, and other wireless
devices.
To optimize the speed and quality of your wireless connection, you can:
•
Move your wireless device closer to the AP if the signal strength is low.
•
Reduce wireless interference that may be caused by other wireless networks or surrounding
wireless electronics such as cordless phones.
•
Place the AP where there are minimum obstacles (such as walls and ceilings) between the AP and
the wireless client.
•
Reduce the number of wireless clients connecting to the same AP simultaneously, or add
additional APs if necessary.
•
Try closing some programs that use the Internet, especially peer-to-peer applications. If the
wireless client is sending or receiving a lot of information, it may have too many programs open
that use the Internet.
What is a Server Set ID (SSID)?
An SSID is a name that uniquely identifies a wireless network. The AP and all the clients within a
wireless network must use the same SSID.
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284
37.5
USB Device Connection
The Device fails to detect my USB device.
1
Disconnect the USB device.
2
Reboot the Device.
3
If you are connecting a USB hard drive that comes with an external power supply, make sure it is
connected to an appropriate power source that is on.
4
Re-connect your USB device to the Device.
37.6
UPnP
When using UPnP and the Device reboots, my computer cannot detect UPnP and refresh
My
Network Places > Local Network
.
1
Disconnect the Ethernet cable from the Device’s LAN port or from your computer.
2
Re-connect the Ethernet cable.
The
Local Area Connection
icon for UPnP disappears in the screen.
Restart your computer.
I cannot open special applications such as white board, file transfer and video when I use the
MSN messenger.
1
Wait more than three minutes.
2
Restart the applications.
Page 285 / 359
eircom F1000 Modem User’s Guide
285
A
PPENDIX
A
Setting up Your Computer’s IP Address
All computers must have a 10M or 100M Ethernet adapter card and TCP/IP installed.
Windows 95/98/Me/NT/2000/XP/Vista, Macintosh OS 7 and later operating systems and all versions
of UNIX/LINUX include the software components you need to install and use TCP/IP on your
computer. Windows 3.1 requires the purchase of a third-party TCP/IP application package.
TCP/IP should already be installed on computers using Windows NT/2000/XP, Macintosh OS 7 and
later operating systems.
After the appropriate TCP/IP components are installed, configure the TCP/IP settings in order to
"communicate" with your network.
If you manually assign IP information instead of using dynamic assignment, make sure that your
computers have IP addresses that place them in the same subnet as the Device’s LAN port.
Windows 95/98/Me
Click
Start
,
Settings
,
Control Panel
and double-click the
Network
icon to open the
Network
window.
Figure 173
WIndows 95/98/Me: Network: Configuration

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