局域网的网段是192.168.1.0/24,网192.168.1.1。当主机192.168.1.20访问172.16.1.0/24网段时,设置 ( )
A.
route add –net 192.168.1.0 gw 192.168.1.1 netmask 255.255.255.0 metric 1
B.
route add –net 172.16.1.0 gw 192.168.1.1 netmask 255.255.255.255 metric 1
C.
route add –net 172.16.1.0 gw 172.16.1.1 netmask 255.255.255.0 metric 1
D.
route add default 192.168.1.0 netmask 172.168.1.1 metric 1