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Troubleshooting 50
Error message that the switch failed to complete the
system self-testing appears on the serial console
screen
Action:
The system diagnostic tests failed. Note the reason for the failure from the serial console screen message
and call a service representative.
The switch fails to get its IP settings from the BOOTP
server, even though by default it is configured for
BOOTP
Action:
• The switch is not connected properly to the network. Check the cable and connections and be sure
that there is network connectivity between the switch and the BOOTP server.
• The BOOTP server is not available on the network or VLAN that is attached to the switch
management port. Be sure that the BOOTP server is present on the network or VLAN attached to the
switch.
• The BOOTP server cannot offer IP settings to the switch because no IP addresses are available. Add
additional IP addresses as necessary.
• The switch timed out its request for IP settings. Reset the switch.
The keyboard locks up when using HyperTerminal to
log on to the switch through the console interface
Action:
Scroll lock is on. Press the Scroll Lock key on the keyboard and be sure that the scroll lock is off.
Cannot connect to the switch console interface
remotely using Telnet
Action:
• The switch IP address is not configured or correct.
o From the serial console interface, be sure that the switch IP address is configured and valid on
the network.
o Use the correct IP address to establish the Telnet connection with the switch.
• The setting allowing access to the switch using the Telnet interface is disabled. From the serial
console interface, be sure that the Telnet interface is enabled.