WGS3 Layer 3 Switch User’s Manual
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Appendix A Troubleshooting
A.1 Troubleshooting Chart
Troubleshooting Chart
Symptom Action
Cannot connect using
Telnet, Web browser, or
SNMP software
• Be sure you have configured the agent with a valid IP address,
subnet mask and default gateway (Layer 2 of WGS3-2620).
• Check that you have a valid network connection to the switch and
that the port you are using has not been disabled.
• Check network cabling between the management station and the
switch.
• If you cannot connect using Telnet, there may already be four active
sessions. Try connecting again at a later time.
Can’ t access the
on-board configuration
program via a serial port
connection
• Be sure you have set the terminal emulator program to VT100
compatible, 8 data bits, 1 stop bit, no parity, and 19200 bps.
• Check that the null-modem serial cable conforms to the pin-out
connections provided in Appendix B.
Forgot or lost the
password
• Reinstall the switch firmware as described on the next page.
Otherwise, contact Technical Support for help.
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