Nov 25, 2009

How to Troubleshoot Connectivity problems


1. Use the ping command to test the basic connectivity. By using the ping command you can isolate network hardware problems and incompatible configurations. By using the path ping you can detect packet loss.

2. If you want to see the Ping's statistics then you ping -t command and press enter to continue and if you want to stop then press CTRL+BREAKTo watch Ping statistics, use the ping -t command. To see statistics and continue, press CTRL+BREAK. To stop, press CTRL+C.


3. If you remote system is across the delay link, such as satellite link responses may take longer.

4. Check the event logs for network card and other hardware and software configurations and connectivity related entries.


5. Check whether the NIC card is on the Microsoft Hardware Compatibility List .


6. Check other computers that use the same gateway and are plugged into the same hub or switch and if these computers do not show any network connectivity problem then the problem is on the only one computer.


7. Contact the vendor of each NIC and motherboard and update the BIOS.


8. Replace the network adapter of the system with the good configured system and see if the same error arise again.

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