Reference Guide for the Model RT328 and Model RH348 ISDN Routers
Troubleshooting a TCP/IP Network Using a Ping Utility
Most TCP/IP terminal devices and routers contain a ping utility that sends an echo request packet to the designated device. The device then responds with an echo reply. Troubleshooting a TCP/IP network is made very easy by using the ping utility in the
Testing the LAN Path to Your Router
To verify that the LAN path to your router is set up correctly, from the Windows 95
(or Windows NT | ®) run menu, type Ping and the IP address of the router. Press the Enter key. |
You should see a message like this one:
Pinging <IP address> with 32 bytes of data
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems:
•Wrong physical connections
–Make sure the LAN Link LED is on. If the LAN Link LED is off, follow the instructions in “LAN Link LED” on page
–Check that the corresponding Link LEDs are on for your network interface card and for
the hub ports (if any) that are connected to your workstation and router.
•Wrong network configuration
–Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your PC or workstation.
–Verify that the IP address for your router and your workstation are correct and that the addresses are on the same subnet.
Troubleshooting |