vlan database
vlan 10
exit
!
interface TenGigabitEthernet 1/0/12
switchport mode trunk
switchport trunk allowed vlan add 10
switchport dot1q ethertype ingress stag add 9100
switchport dot1q ethertype egress stag 9100
exit
!
interface TenGigabitEthernet 1/0/24
switchport mode customer
switchport customer vlan 10
exit