Network Maintenance
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N600 Wireless Dual Band Gigabit VDSL2 Modem Router DGND3800B
Run Diagnostic Utilities
The modem router has a diagnostics feature that you can use to perform the following
functions:
• Ping an IP address to test connectivity to see if you can reach a remote host.
• Perform a DNS lookup to test if an Internet name resolves to an IP address to verify that
the DNS server configuration is working.
• Display the Routing table to identify what other modem routers the modem router is
communicating with.
• Reboot the modem router to enable new network configurations to take effect or to clear
problems with the modem router’s network connection.
Select Maintenance > Diagnostics to display the following screen.
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