Extreme 9920 supports breakout configuration.
		About this task
The breakout mode enables you to partition a high-speed
			port into multiple low-speed ports to accommodate multiple data lanes at lower
			bandwidths.
	 Procedure
- 
				Enter global configuration
					mode.
				
					device# configure terminal 
 
- 
				Enter hardware configuration
					mode.
				
					device# (config)# hardware
device (config-hardware)# 
 
- 
				Configure the required breakout
					mode.
				
					- 4x10g:
						Partition a port into four 10G interfaces
- 4x25g:
						Partition a port into four 25G interfaces
 
					device (config-hardware)# breakout [ 4x10g | 4x25g ]