ESR series service routers.ESR-Series. User manual
Proceed to the PE3 configuration:
PE3#    config
PE3(config)# mpls 
PE3(config-mpls)# l2vpn 
PE3(config-l2vpn)# vpls l2vpn
PE3(config-l2vpn-vpls)# bridge-group 1
PE3(config-l2vpn-vpls)# autodiscovery bgp 
PE3(config-bgp)# rd 65500:100
PE3(config-bgp)# route-target export 65500:100
PE3(config-bgp)# route-target import 65500:100
PE3(config-bgp)# ve id 3
PE3(config-bgp)# vpn id 3
PE3(config-bgp)# exit
PE3(config-l2vpn-vpls)# enable
Check the routing information in PE3:
PE3# show ip bgp l2vpn vpls all 
Status codes: * - valid, > - best, i - internal, S - stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Codes Route Distinguisher   VID   VBO   VBS   Next hop    Metric     LocPrf     Weight Path        
----- --------------------- ----- ----- ----- ----------- ---------- ---------- ------ -----
*>    65500:100 3 1 10    --          --         --         --     
*>i   65500:100 2 1 10 10.10.0.2   --         100 0      i
*>i   65500:100 1 1 10 10.10.0.1   --         100 0      i
Check that PE3 is advertising the route information on RR:
PE3# show ip bgp l2vpn vpls all neighbor 10.10.0.4 advertise-routes 
Origin codes: i - IGP, e - EGP, ? - incomplete
Route Distinguisher   VID   VBO   VBS   Next hop    Metric  LocPrf   Path                  
--------------------- ----- ----- ----- ----------- ------- -------- -----
65500:100 3 1 10 10.10.0.3   --      100      i