User guide

B-2 E

XTREME

ARE

OFTWARE

SER

UIDE

ROUBLESHOOTING

• Both ends of the Gigabit link are set to the same autonegotiation state.

Both sides if the Gigabit link must be enabled or disabled. It the two are different,

typically the side with autonegotiation disabled will have the link LED list, and the

side with autonegotiation enabled will not list. The default configuration for a

Gigabit port is autonegotiation enabled. This can be verified by entering the

following command:

show port config

On power-on, some I/O modules do not boot:

Check if you are using 110V power input. the BlackDiamond powers only up to four

modules if it is connected to a 110V outlet.

Error LED on the MSM64i 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 an

I/O module that conflicts with the software configuration, use one of the following

commands to reset the slot configuration:

clear slot

config slot <slot> module [f32t | f32f | f48t | g4x | g6x | g8x |

g12x]

Otherwise, contact Extreme Networks for further assistance.

ENV LED on the MSM64i turns amber:

Check each of the power supplies and all of the fans. Additionally, the status of these

should be indicated in the display by entering "show switch" at the CLI. Look for the

"Temperature" and "Power Supply" entries in the displayed information.

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, unplug the switch for 1 minute, plug it back in, and attempt to power

up the switch.