how to pass client ip to pool member for a ssh/sftp vip

Hello please see my sftp vip configuration and let me know how can i pass original client ip to the server.

ltm virtual /Common/sftp.test.com {
destination /Common/188.2.210.21:22
ip-protocol tcp
mask 255.255.255.255
persist {
    /Common/SFT_source_addr {
        default yes
    }
}
pool /Common/SFT_Pool_sftp_test.com
profiles {
    /Common/tcp { }
}
source 0.0.0.0/0
source-address-translation {
    type automap
}
translate-address enabled
translate-port enabled

}