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Catalyst 4500 Series Switches Installation Guide
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Chapter 5 Troubleshooting
Troubleshooting Supervisor Engines
Troubleshooting Supervisor Engines
This section only addresses problems with hardware. Problems with features or
configuration are not covered here. Refer for your software configuration guide
and release notes for information on configuring features or identifying known
problems.
Table 5-2 describes the supervisor engine LEDs. Check the LEDs on your
supervisor and compare them to the described LED behaviors.
Table 5-2 Supervisor Engine LEDs
LED Color/State Description
STATUS Indicates the results of a series of self-tests.
Green All diagnostic tests passed.
Red A test failed.
Orange System boot or diagnostic test is in
progress.
Off Module is disabled.
UTILIZATION Green 1–100% If the switch is operational, this display
indicates the current traffic load over the
backplane (as an approximate percentage).
LINK Indicates the status of the 10/100BASE-T
Ethernet management port or uplink ports.
Green The link is operational.
Orange The link is disabled by user.
Flashing orange The power-on self-test indicates a faulty
port.
Off No signal is detected or there is a link
configuration failure.
