PE2(config)# mpls 
PE2(config-mpls)# l2vpn 
PE2(config-l2vpn)# pw-class MTU_example
PE2(config-l2vpn-pw-class)# encapsulation mpls mtu 9000
PE2(config-l2vpn-pw-class)# exit
PE2(config-mpls)# l2vpn 
PE2(config-l2vpn)# vpls MTU_Example_PW 
PE2(config-l2vpn-vpls)# pw 200 10.10.0.1 
PE2(config-l2vpn-pw)# pw-class 
PE2(config-l2vpn-pw)# pw-class MTU_example 
*View created pw-classes*
PE2#  sh mpls l2vpn pw-class 
PW-class                         Neighbor   PW ID      Status Status-tlv MTU   
-------------------------------- ---------- ---------- ------ ---------- ------
MTU_example                       10.10.0.1 200        Up     Enable     9000 
 
 
PE2# sh mpls l2vpn vpls  MTU_Example_PW
VPLS:  MTU_Example_PW
...
    PWs:
      PW ID 2, Neighbor 10.10.0.1:
        MTU:         9000
        Last change: 01:27:42
        Status:      Up
* For PW 2 signaling of this VPLS MTU 9000 is selected*