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TROUBLESHOOTING
This section describes problems that may arise when installing the and
how to resolve these issue. This section includes the following topics:
■ Problem Management — Provides information about problem
management.
■ Troubleshooting Solutions — Provides a list of troubleshooting
issues and solutions for using the device.
Problem
Management
Problem management includes isolating problems, quantifying the
problems, and then applying the solution. When a problem is detected,
the exact nature of the problem must be determined. This includes how
the problem is detected, and what are the possible causes of the
problem. With the problem known, the effect of the problem is recorded
with all known results from the problem. Once the problem is quantified,
the solution is applied. Solutions are found either in this chapter, or
through customer support. If no solution is found in this chapter, contact
Customer Support.
Troubleshooting
Solutions
Listed below are some possible troubleshooting problems and solutions.
These error messages include:
■ Cannot connect to management using RS-232 serial connection
■ Cannot connect to switch management using HTTP, SNMP, etc.
■ Self-test exceeds 15 seconds
■ No connection is established and the port LED is on
■ Device is in a reboot loop
■ No connection and the port LED is off
■ Lost Password.