Diagnostic - TP-Link TL-MR3420 User Manual

your time zone once you login to the router successfully, otherwise, these functions will not
take effect.
2) The time will be lost if the router is turned off.
3) The router will obtain GMT automatically from Internet if it has already connected to Internet.

4.16.2 Diagnostic

Choose menu "System Tools → Diagnostic", you can transact Ping or Traceroute function to
check connectivity of your network in the following screen.
Diagnostic Tool - Check the radio button to select one diagnostic too.
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 or 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
TL-MR3420
Figure 4-78 Diagnostic Tools
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3G/3.75G Wireless N Router