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Page 101 / 178 Scroll up to view Page 96 - 100
Reference Manual for the Double 108 Mbps Wireless Firewall Router WGU624
Troubleshooting
8-5
M-10153-01
OR
Configure your router to spoof your PC’s MAC address. This can be done in the Basic Settings
menu. Refer to
“How to Manually Configure Your Internet Connection” on page 3-9
.
If your router can obtain an IP address, but your PC is unable to load any Web pages from the
Internet:
•
Your PC may not recognize any DNS server addresses.
A DNS server is a host on the Internet that translates Internet names (such as www addresses)
to numeric IP addresses. Typically your ISP will provide the addresses of one or two DNS
servers for your use. If you entered a DNS address during the router’s configuration, reboot
your PC and verify the DNS address as described in
“Verifying TCP/IP Properties” on
page C-6
. Alternatively, you may configure your PC manually with DNS addresses, as
explained in your operating system documentation
.
•
Your PC may not have the router configured as its TCP/IP gateway.
If your PC obtains its information from the router by DHCP, reboot the PC and verify the
gateway address as described in
“Verifying TCP/IP Properties” on page C-6
.
Troubleshooting a TCP/IP Network Using a Ping Utility
Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet
to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP
network is made very easy by using the ping utility in your PC or workstation.
Testing the LAN Path to the WGU624
You can ping the router from your PC to verify that the LAN path to your router is set up correctly.
To ping the router from a PC running Windows 95 or later:
1.
From the Windows toolbar, click on the Start button and select Run.
2.
In the field provided, type Ping followed by the IP address of the router, as in this example:
3.
Click OK.
You should see a message like this one:
Pinging <IP address> with 32 bytes of data
Page 102 / 178
Reference Manual for the Double 108 Mbps Wireless Firewall Router WGU624
8-6
Troubleshooting
M-10153-01
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems:
•
Wrong physical connections
—
Make sure the LAN port LED is on. If the LED is off, follow the instructions in
“Local or Internet Port LEDs Not On
” on
page 8-2
.
—
Check that the corresponding Link LEDs are on for your network interface card and
for the hub ports (if any) that are connected to your workstation and router.
•
Wrong network configuration
—
Verify that the Ethernet card driver software and TCP/IP software are both installed
and configured on your PC or workstation.
—
Verify that the IP address for your router and your workstation are correct and that the
addresses are on the same subnet.
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
<
IP address
>
where <
IP address
> is 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 your
PC’s Network Control Panel. Verify that the IP address of the router is listed as the default
gateway as described in
“Verifying TCP/IP Properties” on page C-6
.
—
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 that your cable or DSL modem is connected and functioning.
Page 103 / 178
Reference Manual for the Double 108 Mbps Wireless Firewall Router WGU624
Troubleshooting
8-7
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—
If your ISP assigned a host name to your PC, enter that host name as the Account Name in
the Basic Settings menu.
—
Your ISP could be rejecting the Ethernet MAC addresses of all but one of your PCs. Many
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 your router to
“clone” or “spoof” the MAC address from the authorized PC. Refer to
“How to Manually
Configure Your Internet Connection” on page 3-9
.
Restoring the Default Configuration and Password
This section explains how to restore the factory default configuration settings, changing the
WGU624’s administration password to
password
and the IP address to 192.168.1.1. You can
erase the current configuration and restore factory defaults in two ways:
•
Use the Erase function of the router (see
“Erasing the Configuration” on page 6-8
).
•
Use the default reset button on the rear panel of the router. Use this method for cases when the
administration password or IP address is not known.
To restore the factory default configuration settings without knowing the administration password
or IP address, you must use the default reset button on the rear panel of the router. See
“The
Router’s Rear Panel” on page 2-8
for a picture of the button.
1.
Press and hold the default reset button until the Test LED turns on (about 10 seconds).
2.
Release the default reset button and wait for the router to reboot.
Problems with Date and Time
The E-Mail menu in the Content Filtering section displays the current date and time of day. The
WGU624 wireless router uses the Network Time Protocol (NTP) to obtain the current time from
one of several Network Time Servers on the Internet. Each entry in the log is stamped with the
date and time of day. Problems with the date and time function can include:
•
Date shown is January 1, 2000. Cause: The router has not yet successfully reached a Network
Time Server. Check that your Internet access settings are configured correctly. If you have just
completed configuring the router, wait at least five minutes and check the date and time again.
Page 104 / 178
Reference Manual for the Double 108 Mbps Wireless Firewall Router WGU624
8-8
Troubleshooting
M-10153-01
•
Time is off by one hour. Cause: The router does not automatically sense Daylight Savings
Time. In the E-Mail menu, check or uncheck the box marked “Adjust for Daylight Savings
Time”.
Why Does the WGU624 Not Reach Full 108 Mbps Speeds?
Super G complies with IEEE 802.11 a/b/g standards. Because this technology is on the cutting
edge, only some combinations of hardware and firmware support full speeds.
•
Super G only works in wireless channel 6.
•
Super G routers are set to take 54 Mbps or 108 Mbps adapters (called Auto 108 mode), or just
108 Mbps adapters (called 108 Only mode). If 108 Only mode is set, 54 Mbps adapters will
not connect.
To get maximum speeds:
1.
Upgrade to the latest firmware. The Super G technology is actively being improved, so it's
important to keep up-to-date.
2.
Use NETGEAR products. Compatibility with non-NETGEAR products is not guaranteed.
3.
Only use Super G routers and adapters in your network. Non-Super G devices may slow part
or all of your network to lower speed. If the Smart Configuration Utility status line reads 54
Mbps, your devices are probably operating as a standard 802.11g network.
4.
Super G is also affected by factors that limit wireless networks in general. For information
about optimizing a wireless network, see
Chapter 4, “Wireless Configuration”
.
Page 105 / 178
Technical Specifications
A-1
M-10153-01
Appendix A
Technical Specifications
This appendix provides technical specifications for the Double 108 Mbps Wireless Firewall
Router WGU624.
Network Protocol and Standards Compatibility
Data and Routing Protocols:
TCP/IP, RIP-1, RIP-2, DHCP
PPP over Ethernet (PPPoE)
Power Adapter
North America:
120V, 60 Hz, input
United Kingdom, Australia:
240V, 50 Hz, input
Europe:
230V, 50 Hz, input
Japan:
100V, 50/60 Hz, input
All regions (output):
5V DC @ 2.8A output
Physical Specifications
Dimensions:
28 x 175 x 119 mm
(1.1 x 6.89 x 4.68 in.)
Weight:
0.3 kg
(0.66 lb)
Environmental Specifications
Operating temperature:
0
°
to 40
°
C
(32º to 104º F)
Operating humidity:
90% maximum relative humidity, noncondensing

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