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Chapter 5: Configuring the Router
• Diagnostic Tool—Check the radio button to select one diagnostic tool.
• Ping—This diagnostic tool troubleshoots connectivity, reachability, and name resolution to a given host or gateway.
• Traceroute—This diagnostic tool tests the performance of a connection.
NOTE: You can use ping/traceroute to test both numeric IP address and domain name. If pinging/tracerouting the IP address is
successful, but pinging/tracerouting the domain name is not, you might have a name resolution problem. In this case,
ensure that the domain name you are specifying can be resolved by using Domain Name System (DNS) queries.
• IP Address/Domain Name—Enter the IP Address or Domain Name of the PC you want to diagnose.
• Ping Count—Specifies the number of Echo Request messages sent. The default is 4.
• Ping Packet Size—Specifies the number of data bytes to be sent. The default is 64.
• Ping Timeout—Time to wait for a response, in milliseconds. The default is 800.
• Traceroute Max TTL—Set the maximum number of hops (max TTL to be reached) in the path to search for the target
(destination). The default is 20.
Click Start to check the connectivity of the Internet.
The Diagnostic Results page displays the results.
If the result is similar to the following screen, the connectivity of the Internet is good.
Figure 5-118. Diagnostic Results.
NOTES:
1. Only one user can use the diagnostic tools at a time.
2. “Ping Count,” “Ping Packet Size,” and “Ping Timeout” are Ping Parameters, and “Traceroute Max TTL” is a Traceroute Parameter.
5.21.3 Firmware Upgrade
Choose “System Tools —> Firmware Upgrade,” then you can update the latest version of firmware for the router on the
following screen.
Figure 5-119. Firmware Upgrade.
