
339routing and remote aCCess serviCe
As the home network is a Class C private network, the column Genmask has the
value 255.255.255.0. e second row contains the information about the default route
to the ISP. erefore, the value for the Destination column is the keyword default.
Sometimes, the value 0.0.0.0 may also be used to represent the default route. Each
routing table can have one default route. As a default route, the value for the Genmask
is 0.0.0.0. If the destination is not listed in the routing table, the packet will be sent
to the gateway specied by the IP address in the default gateway cell. Since the gate-
way is 192.168.1.1, al ...