CSICO ASA防火墙 NAT问题。

wjh520

interface Vlan1
nameif inside
security-level 100
ip address 192.168.1.200 255.255.255.0
!interface Vlan2
nameif outside
security-level 0
ip address 110.22.127.246 255.255.255.252
interface Ethernet0/0
switchport access vlan 2
interface Ethernet0/1
switchport access vlan 1

nat (inside) 1 192.168.0.0 255.255.255.0
提示% invalide input detected at ^ marker
golbal(outside) 1interface
同样出现上面问题。
请问是packet tracer  不支持NAT，还是我输入有问题。