[HELP] pf sense and load balancer machine

[r0nal]

hi all..
im from indonesia..
im new in pf sense n im very interesting

i have a load balancer machine..
and i want my pfsense pc conected after my machine..
this pfsense will be act as proxy(squid) and firewall…

here is my diagram

so i want my pfsense as gateway in client..
in load balancer has 'contain' WAN and act as gateway pf sense…

i try follow that simple diagram..
but i cant connect to internet
i use ping command in pfsense but its still not work
seem my load balancer doesnt 'give internet' to my pf sense..

what should i do?
please i need ur sugestion ASAP
n sorry bout my bad english

:)

[r0nal]

:( :(

pls help us…