Here you go...
access-list ANYONE line 10 extended permit ip any any
probe tcp TCP
rserver host SERVER_01
ip address 192.168.1.11
inservice
rserver host SERVER_02
ip address 192.168.1.12
inservice
rserver host SERVER_03
ip address 192.168.1.13
inservice
serverfarm host REAL_SERVERS
probe TCP
rserver SERVER_01
inservice
rserver SERVER_02
inservice
rserver SERVER_03
inservice
class-map match-all VIP-30
2 match virtual-address 172.16.51.30 tcp eq www
policy-map type loadbalance first-match SLB_LOGIC
class class-default
serverfarm REAL_SERVERS
insert-http X-Forwarded-For header-value "%is"
policy-map multi-match CLIENT_VIPS
class VIP-30
loadbalance vip inservice
loadbalance policy SLB_LOGIC
loadbalance vip icmp-reply active
interface vlan 251
description Client vlan
ip address 172.16.51.11 255.255.255.0
access-group input ANYONE
service-policy input REMOTE_MGT
service-policy input CLIENT_VIPS
no shutdown
interface vlan 451
description Servers vlan
ip address 192.168.1.1 255.255.255.0
no shutdown
ip route 0.0.0.0 0.0.0.0 172.16.51.1
Hope that helps,
Sean