openwrt - SNAT

config redirect
        option target 'SNAT'
        option src 'lan'
        option dest 'wan'
        option proto 'all'
        option src_ip '192.168.0.2'
        option src_dip '192.168.88.173'
        option name 'ip1'

config redirect
        option target 'SNAT'
        option src 'lan'
        option dest 'wan'
        option proto 'all'
        option src_dip '192.168.88.174'
        option name 'ip2'
        option src_ip '192.168.0.3'