slb server rs_172.16.0.5 172.16.0.5
port 80 tcp
slb server rs_172.16.0.6 172.16.0.6
port 80 tcp
!
slb service-group test tcp
member rs_172.16.0.5:80
member rs_172.16.0.6:80
!
!
slb virtual-server vip_172.16.0.21 172.16.0.21
port 80 tcp
source-nat pool snat_pool
service-group test