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Maintaining Your Network
46
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Run the Diagnostic Utilities
You can run ping and traceroute utilities.
Ping Utility
Ping is an administration utility that tests whether a computer on the network is reachable and
measures the time it takes messages sent from the originating device to reach a destination
computer and return.
To run a ping test:
1.
Type
in the address field of your web browser.
A login screen displays.
2.
Enter the modem router user name and password.
The default user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The modem router main menu displays.
3.
In the main menu, under Maintenance, select
Diagnostics
.
4.
From the
Utility
list, select
Ping
.
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Maintaining Your Network
47
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
The following screen displays:
5.
Specify the following parameters for the ping utility:
•
Target
. The IP address of the ping target computer.
•
Ping Size
. The size of the ping packet.
•
No. of Pings
. The number of times to ping the target computer.
•
Ping Interval
. The time between pings.
6.
Click the
Start Test
button.
The ping results display:
7.
To stop a ping test, click the
Abort Test
button.
To clear the results from the display:
1.
Type
in the address field of your web browser.
Page 48 / 88
Maintaining Your Network
48
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
A login screen displays.
2.
Enter the modem router user name and password.
The default user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The modem router main menu displays.
3.
In the main menu, under Maintenance, select the
Diagnostics
button.
4.
Click the
Clear Results
button.
Traceroute Utility
To display the route and measure transit delays of packets across an IP, run the traceroute
utility.
To run a traceroute test:
1.
Type
in the address field of your web browser.
A login screen displays.
2.
Enter the modem router user name and password.
The default user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The modem router main menu displays.
3.
In the main menu, under Maintenance, select
Diagnostics
.
4.
In the
Utility
list, select
Traceroute
.
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Maintaining Your Network
49
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
The following screen displays:
5.
Specify the following parameters for the traceroute utility.
•
Target
. The IP address or host name of the computer you are tracing.
•
Max Hops
. The maximum number of hops to allow when tracing the route.
•
Data Size
. The input the size of the packet.
•
Base Port
. The port number to send the packet to.
•
Resolve Host
. Select
On
to resolve the host name to the IP address.
6.
Click the
Start Test
button.
The traceroute results display.
To clear the results from the display:
1.
Type
in the address field of your web browser.
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Maintaining Your Network
50
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
A login screen displays.
2.
Enter the modem router user name and password.
The default user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
The modem router main menu displays.
3.
In the main menu, under Maintenance, select
Diagnostics
.
4.
Click the
Clear Results
button.