Specifications

322 ExtremeWare XOS 11.0 Concepts Guide
Troubleshooting
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 if you are using 110V power input. The BlackDiamond switch powers-up only four
Input/Output (I/O) modules if it is connected to a 110V outlet.
Error LED on the MSM turns amber:
Check the syslog message for a “critical” software errors.
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 show
power
and show fans displays.
Switch does not power up:
All products manufactured by Extreme Networks use digital power supplies with surge protection. In
the event of a power surge, the protection circuits shut down the power supply. To reset the power,
unplug the switch for 1 minute, plug it back in, and attempt to power-up the switch.
If this does not work, try using a different power source (different power strip/outlet) and power cord.
Using the Command Line Interface
The initial welcome prompt does not display:
Check that:
• Your terminal or terminal emulator is correctly configured
• Your terminal or terminal emulator has the correct settings:
— 9600 baud
— 8 data bits
— 1 stop bit
— no parity
— XON/OFF flow control enabled