Owner's Manual

Chapter 5. Network Maintenance | 61
N300 Wireless ADSL2+ Modem Router DGN2200
Run Diagnostic Utilities
The modem router has a diagnostics feature. Select Maintenance > Diagnostics to display
the following screen.
You can 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.