3com TR User Manual

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D
T
ROUBLESHOOTING
Troubleshooting Procedures
This appendix lists potential problems you might 
see when managing the Switch 2000 TR and 
includes suggested actions to take. If you experience 
a problem not listed here or that you cannot solve, 
please contact your local technical support represen-
tative.
The initial Main Banner screen does not dis-
play:
Check that your terminal or terminal emulator is 
correctly configured to operate as a VT100 terminal.
For serial port access, try pressing [Return] several 
times before the Main Banner appears.
Check the settings on your terminal or emulator.
Screens are incorrectly displayed:
Check that your terminal or terminal emulator is 
correctly configured to operate as a VT100 terminal.
Check the settings on your terminal or emulator. 
The SNMP manager cannot access the device:
Check that the device's IP address, subnet mask, 
and default router are correctly configured, and 
that the device has been reset. Check that the 
device's IP address is correctly recorded by the SNMP 
manager.
The Telnet workstation cannot access the 
device:
Check that the device's IP address, subnet mask and 
default router are correctly configured, and that the 
device has been reset. 
Be sure that you enter the IP address correctly 
when invoking the Telnet facility.
Traps are not received by the SNMP manager:
Check that the SNMP manager's IP address and the 
community string are correctly configured.