Configuration Guidelines
Page 944 7210 SAS M Services Guide
7210-SAS1>config# info
#--------------------------------------------------
echo "Port Configuration"
#--------------------------------------------------
    port 1/1/1
        split-horizon-group network
        ethernet
        exit
        no shutdown
exit 
    port 1/1/3
        split-horizon-group network
        ethernet
        exit
        no shutdown
  exit
#--------------------------------------------------
7210-SAS1>config#
4. Create a VPLS instance 100.
#--------------------------------------------------
echo "Service Configuration"
#--------------------------------------------------
    service
          customer 2 create
          exit
         vpls 100 customer 2 create
            stp
                shutdown
            exit
sap 1/1/4 create
exit
sap 1/1/5 create
exit
spoke-sdp 1:1 create
exit
spoke-sdp 2:1 create
exit
        no shutdown
    exit
...
#--------------------------------------------------
Note: A split horizon on a port must be configured before creating any SAPs associated 
with that port.