为系统添加一个默认网关使用的命令是( )
route add default gw [ipaddress]
router add default gw [ipaddress]
route make default gw [ipaddress]
router make default gw [ipaddress]
为系统添加一个默认网关使用的命令是( )
route add default gw [ipaddress]
router add default gw [ipaddress]
route make default gw [ipaddress]
router make default gw [ipaddress]