!System Description "FSM726E - ProSafe 24 FE, 2 GE"
!System Software Version "8.0.1.17"
! 
vlan database
vlan 999,4001
vlan name 999 "Management" 
vlan name 4001 "QinQ" 
exit  
!
interface 0/1
description 'Uplink QinQ aware provider port'
mtu 1522
vlan participation include 999,4001
vlan tagging 999,4001
mode dvlan-tunnel
exit 

! 
interface  0/2 
description 'QinQ service client port'
vlan pvid 4001
vlan participation include 4001
exit