PfSense / Load Balancer: Access Virtual Server from LAN

[NothingCtrl]

I have a network as diagram below:

On SITE A, pfSense firewall server public port for a virtual server (example: port X), virtual server have 2 pool:

• Pool 1: point to A_Srv_01

• Pool 2 (Fall-back Pool): point to A_Srv_02

• Virtual server listen on WAN IP (call A_Public_IP_Port_X)

A NAT rule created to NAT port X to servers A_Srv_01 and A_Srv_02 (using Alias)

My problem:

• Internet_Client access A_Public_IP_Port_X is OK

• B_CLIENT access A_Public_IP_Port_X is OK

• A_CLIENT access A_Public_IP_Port_X is NOT OK

If server A_Srv_01 run as standalone server (not using Virtual Server) everything OK, so I think NAT reflection is not a problem.
May be I have some problem with routing from: A_CLIENT <–> A_Public_IP_Port_X <--> Pool (A_Srv_01 / A_Srv_02)?

[NothingCtrl]

I found my solution, FYI: https://serverfault.com/questions/886071/pfsense-load-balancer-access-virtual-server-from-lan