network 255.255.255.255 how to add route?

i get a ip with ipsec client :

10.40.99.195/255.255.255.255, attachments jpg1.png

i want to add a route ,but unreachable,attachments jpg2.png

who can tell me,how to add route which ip with network 255.255.255.255?

tks.
jpg2.png
jpg1.png

There is no need to add route. Ipsec is policy based, so if you want to forward all traffic over the tunnel, simply add source nat rule to change src address to 10.40.99.195