Syntax
route dest-hostmask dest-portrange interface/address
Parameters
dest-hostmask indicates the hosts for which incoming and outgoing connections must go through the specified interface.
dest-portrange indicates the ports for which incoming and outgoing connections must go through the specified interface.
interface/address indicates the IP address or name of the interface through which incoming and outgoing connections must pass. IP addresses are preferred.
Example
route 127.27.27.127 1024 le0