问题：华为路由器 配置通过NAT访问Internet外网，并对外提供www服务的示例

[Router] vlan  100
[Router-vlan100] quit

[Router] acl number 2000    //配置允许进行NAT转换的内网地址段
[Router-acl-basic-2000] rule 5 permit source 192.168.88.0 0.0.0.255
[Router-acl-basic-2000] quit

[Router] interface vlanif 100    //配置内网网关的IP地址
[Router-vlanif100] ip address 192.168.88.1 255.255.255.0
[Router-vlanif100] quit

[Router] interface GigabitEthernet 0/0/2
[Router-GigabitEthernet 0/0/2] port link-type access
[Router-GigabitEthernet 0/0/2] port default vlan 100
[Router-GigabitEthernet 0/0/2] quit

[Router] interface GigabitEthernet 0/0/3
[Router-GigabitEthernet 0/0/3] ip address 106.3.45.2 255.255.255.0
[Router-GigabitEthernet 0/0/3] nat outbound 2000 address-group 1    //在出接口上配置NAT Outbound
[Router-GigabitEthernet 0/0/3] nat server protocol tcp global 106.3.45.5 www inside 192.168.88.2 8080  //在出接口上配置内网服务器192.168.88.2的www服务
[Router-GigabitEthernet 0/0/3] quit

[Router] nat address-group 1 106.3.45.3 106.3.45.10    //配置NAT地址池
[Router-address-group] quit

[Router] ip route-static 0.0.0.0 0.0.0.0 106.3.45.1    //配置默认路由