...
- console(config)#erps
- console(config)#erps vlan 10
- console(config-erps)#ring enable
- console(config-erps)#port west te1/0/1
- console(config-erps)#port east te1/0/2
- console(config-erps)#protected vlan add 20,30,40,100,200,300,400
- console(config-erps)#rpl west owner
- console(config-erps)#exit
- console(config)#
- console(config)#interface range TengigabitEthernet1/0/1-2
- console(config-if)#switchport mode trunk
- console(config-if)#switchport trunk allowed vlan add 10,20,30,40,100,200,300,400
- console(config-if)#switchport forbidden default-vlan
- console(config-if)#exit
- console(config)#spanning-tree bpdu filtering
...