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6 TROUBLESHOOTING FOR NETWORK CONNECTIONS
94 Locating the Equipment in the Network
Equipment does not respond to ping command
Problem Description
The equipment does not respond to a ping command.
Corrective Action
Check the network settings following the checklist below.
No. Check... Yes No Corrective Action
1 Confirm that the TCP/IP protocol suite is installed
on the client computer.
Next Step
Ø
Ö
Refer to the networking section of your operating
system documentation.
2 Look at the NIC configuration page and confirm
that the TCP/IP settings are correct. Is the IP
address entered and valid? Are the Gateway and
Subnet settings correct?
Next Step
Ø
Ö
Enter the correct TCP/IP settings.
3 Reboot the equipment. Check the NIC
Configuration page that is printed out. Are the
TCP/IP settings correct?
Next Step
Ø
Ö
The settings are not binding, contact your service
representative.
4 Try to ping the equipment again. Did the
equipment respond to the ping?
End
Next Step
Ø
5 Can you ping the equipment from any other
computer within the same network? If not, the
equipment might have an IP address that is out of
range or invalid.
Next Step
Ø
Ö
Contact your local network specialist for a valid IP
address for the equipment.
6 Can you ping to another computer within the
same network?
Next Step
Ø
Ö
Check the computer’s protocol settings to make
sure the gateway and subnet settings are correct.
7 If you have customized the device name, you can
check if the NIC is functional by restoring the
default settings. When the equipment
automatically reboots and an NIC Configuration
page is printed, does the device name include the
NIC’s unit serial number?
Next Step
Ø
Ö
The NIC is faulty or improperly installed. Contact
your service representative.
8 Check link activities on the port being used by the
equipment and also the integrity of the network
cable, hub, or switch that is connecting the
equipment to the network. Replace any network
components that you suspect are faulty. Can you
ping the equipment now?
End Ö
Contact your service representative.