If network cables are misconnected or are faulty, the Ethernet service paths may be faulty. Services are then affected. Hence, the Ethernet service paths must be normal.
Tools and Instruments
Two laptop computers on which the Windows operating system is installed, two network cables
Connection Test Diagram
Figure 1shows the connection diagram for testing the Ethernet service paths.
If an Ethernet service is configured between A and C, you can connect two laptop computers to the Ethernet board through network cables and perform a ping test.
Precautions
NOTE: The external ports on the Ethernet boards at the source and sink ends of the accessed Ethernet service must be set to Access, and the default VLAN ID must be set to the same value.
Procedure
- See the connection diagram and connect the external ports on the Ethernet board to the network ports of the laptop computers at the source and sink ends of the service.
- Set the IP addresses for laptop 1 and laptop 2. The two IP addresses must be set in the same network segment.
- Set the IP address for laptop 1 as follows:
- IP address: 192.168.0.100
- Subnet mask: 255.255.0.0
- Set the IP address for laptop 2 as follows:
- IP address: 192.168.0.101
- Subnet mask: 255.255.0.0
NOTE: The IP address must not be set to a loopback address within the 127.0.0.0 network segment.
- Set the IP address for laptop 1 as follows:
- Choose on laptop 1. Then a dialog box is displayed. Run the ping command ping 192.168.0.101.
- The prompt "Lost = 0 (0% loss)" is displayed. This message indicates that the Ethernet paths are normal.
- If the prompted message is "Request timed out", the Ethernet paths are abnormal. In this case, check the network cable connection and the configuration of the Ethernet services. Rectify the fault and then continue the test.