5-10
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-02
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.
System Messages and Supervisor Engines
Connect a terminal to the console port, and look for any of the following system messages:
C4K_CHASSIS-3-LINECARDMUXBUFFERTOSUPALIGNMENTWRONG
C4K_SUPERVISOR-3-MUXBUFFERREADSUPERVISORSELECTIONFAILED
C4K_CHASSIS-3-TEMPERATURESENSORREADFAILED
C4K_HW-3-X2IDENTIFICATIONFAILURE
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.
ACTIVE
Indicates whether the uplink port is active
or not.
Green
The port is active.
Off
The port is not active.
ACTIVE
The LED to the right of the uplink ports is
used to identify the active supervisor engine
in switches with two supervisor engines.
