Cisco Systems 2.5 manual Possible Cause

Chapter 1 FAQs and Troubleshooting

General FAQs and Troubleshooting

5.Enter the following command. This erases the WLSE’s configuration, returns the WLSE to factory defaults, and reloads the WLSE.

[root@CiscoMaintImage/]# erase config

Symptom After the WLSE starts up, the setup login prompt appears. Use the setup program. The WLSE cannot connect to the network.

Possible Cause

–The network cable is not connected to the Ethernet 0 port.

–The Ethernet 0 interface is disabled or misconfigured.

–The system is configured correctly, but the network is down or misconfigured.

–DNS is misconfigured. Ping commands will result in a 50-70% failure rate in Pings from the WLSE (Web interface and CLI).

Recommended Action

1.Verify that the network cable is connected to the Ethernet 0 port and the Ethernet indicator is lit.

–If the network cable is not connected, connect it.

–If the network cable is connected but the Ethernet indicator is not lit, these are the probable causes:

The network cable is faulty.

The network cable is the wrong type (for example, a cross-over type, rather than the required straight-through type).

The port on the default gateway to which the system connects is down.

–If the network cable is connected and the Ethernet indicator is on but the system cannot connect to the network, continue to the next step.

2.Use the ping command to perform the following tests:

–Try to ping a well-known host on the network. A DNS server is a good target host.

FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine

1-6