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Chapter 4: Configuration
137
IGMP
IGMP, known as
Internet Group Management Protocol
, is used to management hosts from
multicast group.
IGMP Forwarding:
Accepting multicast packet.
Default is set to
Enable.
IGMP Snooping:
Allowing switched Ethernet to check and make correct forwarding decisions.
Default is set to
Enable
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Chapter 4: Configuration
138
Save Configuration to Flash
After changing the router’s configuration settings, you must save all of the configuration parameters to
FLASH to avoid them being lost after turning off or resetting your router. Click
Save
to write your new
configuration to FLASH.
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Chapter 4: Configuration
139
Logout
To exit the router’s web interface, choose
Logout
.
Please ensure that you have saved the configuration
settings before you logout.
Be aware that the router is restricted to only one PC accessing the configuration web pages at a time.
Once a PC has logged into the web interface, other PCs cannot get access until the current PC has
logged out of the web interface.
If the previous PC forgets to logout, the second PC can access the
page after a user-defined period, by default 3 minutes. You can modify this value using the
Advanced –
Device Management
section of the web interface. Please see the
Advanced
section of this manual for
more information.
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Chapter 5: Troubleshooting
140
Chapter 5: Troubleshooting
If the router is not functioning properly, first check this chapter for simple troubleshooting before
contacting your service provider or BEC’s support.
Problems starting up the router
Problem
Corrective Action
None of the LEDs are
on when you turn on
the router.
Check the connection between the adapter and the router. If the error
persists, you may have a hardware problem. In this case you should
contact technical support.
You have forgotten
your router login
and/or password.
Try the default login and password, please refers to Chapter 3. If this fails,
you can restore your router to its factory settings by holding the Reset
button on the back of your router for 6 seconds above.
Problems with the WAN Interface
Problem
Corrective Action
Initialization of the
PVC connection
(“linesync”) failed.
Ensure that the telephone cable is connected properly from the ADSL port
to the wall jack. The ADSL LED on the front panel of the router should be
on. Check that your VPI, VCI, encapsulation type and type of multiplexing
settings are the same as those provided by your ISP. Reboot the router
GE. If you still have problems, you may need to verify these settings with
your ISP.
Frequent loss of
ADSL linesync
(disconnections).
Ensure that all other devices connected to the same telephone line as your
router (e.g. telephones, fax machines, analogue modems) have a line filter
connected between them and the wall socket (unless you are using a
Central Splitter or Central Filter installed by a qualified and licensed
electrician), and ensure that all line filters are correctly installed and the
right way around. Missing line filters or line filters installed the wrong way
around can cause problems with your ADSL connection, including causing
frequent disconnections.
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Chapter 5: Troubleshooting
141
Problems with the LAN Interface
Problem
Corrective Action
Can’t ping any PCs on
the LAN.
Check the Ethernet LEDs on the front panel. The LED should be on for a
port that has a PC connected. If it is off, check the cables between your
router and the PC. Make sure you have uninstalled any software firewall
for troubleshooting.
Verify that the IP address and the subnet mask are consistent between the
router and the workstations.

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