Dell Networking N4000 Series Configuration Manual page 757

console(config-if)#exit
console(config)#interface range gi1/0/1-12
console(config-if)#switchport access vlan 3
console(config-if)#exit
console(config)#interface range gi1/0/1-12
console(config-if)#switchport access vlan 4
console(config-if)#exit
757
Configuring the Spanning Tree Protocol