Extreme Networks ExtremeWare XOS Guide Manual page 613

On powering-up, the MGMT LED lights yellow:
The device has failed its Power On Self Test (POST) and you should contact your supplier for advice.
A link is connected, but the Status LED does not light:
Check that:
All connections are secure.
●
Cables are free from damage.
●
The devices at both ends of the link are powered-up.
●
Both ends of the Gigabit link are set to the same autonegotiation state.
●
The Gigabit link must be enabled or disabled on both sides. If the two sides are different, typically
the side with autonegotiation disabled will have the link LED lit, and the side with autonegotiation
enabled will not be lit. The default configuration for a Gigabit port is autonegotiation enabled. Verify
by entering the following command:
show ports configuration
On power-on, some I/O modules do not boot:
Check the output of the
show power budget
expected input voltage. Also refer to the section
detailed information about power management.
ERR LED on the Management Switch Fabric Module (MSM) turns amber:
Check the syslog message for "critical" software errors. To reset the ERR LED and clear the log, use the
following command and reboot the switch:
clear log static
If you continue to see "critical" software errors or the ERR LED is still amber after issuing the
command and a switch reboot, contact Extreme Networks Technical support for further
log static
assistance.
Status LED on the I/O module turns amber:
Check the syslog message for a related I/O module error. If the error is an inserted I/O module that
conflicts with the software configuration, use one of the following commands to reset the slot
configuration:
clear slot
configure slot <slot> module <module_type>
Otherwise, contact Extreme Networks Technical Support for further assistance.
ENV LED on the MSM turns amber:
Check each of the power supplies and all of the fans. Additionally, you display the status in the
and displays.
power show fans
ExtremeWare XOS 11.3 Concepts Guide
command to see if all power supplies display the
"Power Management Guidelines" on page 80
LEDs
for more
clear
show
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