Hello, Yesterday, when I looking for solution that can replace following command from linux: ip route add default via x.x.x.x src y.y.y.y So I tried with ipf and execute following rule, (yes this is silly): -- pass out quick on rl0 to rl0:y.y.y.y from x.x.x.x to any keep state -- On rl0 I have 2 IP addresses: x.x.x.x and alias for y.y.y.y All freebsd boxes hangs after 20 seconds whitout notice.