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Page 61 / 90 Scroll up to view Page 56 - 60
Wireless Cable Modem Gateway CGD24G User Manual
Managing Your Network
4-7
v1.0, November 2008
To clear the log, click
Clear Log
; to refresh the log, click
Refresh
. You can enable e-mail
notification to receive these logs in an e-mail message. For information about e-mail
notifications, see
“Configuring Logs” on page 3-1
.
Running Diagnostic Utilities
You can use the Diagnostics screen to test connectivity to a PC using the ping command.
To start a ping test:
1.
Log in to the gateway using its default address of
or at whatever IP address
the unit is currently configured. Use the default user name of
admin
and default password of
password
, or the password you have set up.
2.
In the main menu, under Maintenance, select
Diagnostics
. The Diagnostics screen displays.
Figure 4-5
Page 62 / 90
Wireless Cable Modem Gateway CGD24G User Manual
4-8
Managing Your Network
v1.0, November 2008
3.
Under Ping Test Parameters, enter the following settings:
•
Ping Target
. Enter the IP address of the computer that you would like to ping.
•
Ping Size
. Enter the size of the ping packet.
•
No. of Pings
. Enter the number of times you would like to ping the computer.
•
Ping Interval
. Enter the time you would like to wait between the pings.
4.
Click
Start Test
.To stop the test while in progress, click
Abort Test
.
5.
To see the results of the ping test, click
REFRESH
. To clear the test results after the test has
completed, click
Clear Test
.
Figure 4-6
Page 63 / 90
Wireless Cable Modem Gateway CGD24G User Manual
Customizing Your Network
5-1
v1.1, May 2009
Chapter 5
Customizing Your Network
This chapter describes how to customize your network through the advanced settings on your
CGD24G gateway. When you log in to the gateway, these tasks are grouped under Advanced.
This chapter includes:
•
“Configuring Dynamic DNS
” on this page
•
“Restricting Access by MAC Address” on page 5-2
•
“Configuring Port Triggering” on page 5-4
•
“Setting Up a DMZ Host” on page 5-6
•
“LAN IP Settings” on page 5-7
•
“Enabling Remote Management” on page 5-9
•
“Configuring Universal Plug and Play (UPnP)” on page 5-11
Log in to the gateway using its default address of
or at whatever IP address the
unit is currently configured. Use the default user name of
admin
and default password of
password
, or the password you have set up.
Configuring Dynamic DNS
A dynamic DNS service provides a central public database where information (such as e-mail
addresses, host names and IP addresses) can be stored and retrieved. The dynamic DNS server also
stores password-protected information and accepts queries based on e-mail addresses.
If you want to use a dynamic DNS service, you must register for it. The dynamic DNS client
service provider will give you a password or key.
Note:
For information about port forwarding and port blocking, see
“Firewall Rules—Port Forwarding and Port Blocking” on page 3-5
.
Page 64 / 90
Wireless Cable Modem Gateway CGD24G User Manual
5-2
Customizing Your Network
v1.1, May 2009
To configure dynamic DNS:
1.
In the main menu, under Advanced, select Dynamic DNS. The DDNS screen displays.
2.
From the DDNS Service pull down menu, select
www.DynDNS.org
.
3.
Enter the following information:
•
User Name
. Enter the user name for your dynamic DNS account.
•
Password
. Enter the password (or key) for your dynamic DNS account.
•
Host Name
. Enter the host same that your dynamic DNS service provider gave you. (The
DDNS service provider may call this the domain name.)
4.
Click
Apply
to save your settings.
To disable dynamic DNS:
1.
In the
DDNS Service
field, select
Disabled
.
2.
Click
Apply
to save your settings.
Restricting Access by MAC Address
By default, the gateway allows any connected PC to access the Internet through. The MAC
Filtering screen enables you to block specific PCs, based on their MAC address, from access to the
Internet on selected days and times.
Figure 5-1
Page 65 / 90
Wireless Cable Modem Gateway CGD24G User Manual
Customizing Your Network
5-3
v1.1, May 2009
To configure MAC filtering:
1.
In the main menu, under Advanced, select MAC Filtering. The MAC Filtering screen displays.
The Trusted Devices table shows the PCs that are allowed access to the Internet through the
gateway. Click
Refresh
to update the Trusted Devices table.
2.
Select a device that will be added to the Add MAC Filter table through one of the following
methods:
•
If the PC that you want to block appears in the Trusted Devices table, click the radio
button for that PC to capture its MAC address in the Add MAC Filter table. If a MAC
address but no device name appears in the Add MAC Filter table, you can type a
descriptive name for the PC that you are adding to the table.
•
Manually enter the device name and MAC address of the PC you want to block to the Add
MAC Filter table.
3.
To add the device that you selected in
step 2
to the MAC Filter List, click
Add
. When you do
so, the
Enable
check box is automatically selected for that PC. Also note the following:
Figure 5-2

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