Multi wan loadbalancing with squid proxy on pfsense 2.2.2

[pfsense man]

hello all
i configure two pfsense device with below config and load balancing  with squid works well!!!!

em0–----------> em2          em0 ppoe ---------------->(wan1)
pfsense@                          pfsense#
        em1------------> em3          em1 ppoe ---------------> (wan2)

Device settings

pfsense@:
                                          8.8.8.8 ----> gw (em0)
General Setup ---> dns server
                                          8.8.8.8 ----> gw (em1)

advance ---->Miscellaneous ---> Allow default gateway switching enabled

routing: em0 and em1  ---> multi wan groups  with tier 1

floating rul:
action---> pass  , interface --> em0 , em1  Direction---> out  protocol--->any    source and destination ---->any  Gateway ---> multi wan groups

squid:
Squid General Settings---> Transparent HTTP proxy on LAN enabled
Custom Settings --> Integrations ---> tcp_outgoing_address 127.0.0.1

pfsense#:
firewall rules
em2: any to any allowed with gateway wan1  and em3: any to any allowed with gateway wan2

---

but by using two modem for connection ppoe instead pfsense# the load balancing not works !!!!!!
so that http pages are randomly opens with ip defualt gateway

em0------------> modem1 ppoe (wan1)
pfsense@                   
        em1------------> modem2 ppoe (wan2)

If someone can help me!!! thanks

[pfsense man]

Dear all;

can any one help me how to config and used transparent proxy with load balancing 2 wan :-[

thanks