[Quidway]acl101
[Quidway-acl-101]ruledenysouceanydestinationany
[Quidway-acl-101]rulepermiticmpsourceanydestinationanyicmp-typeecho
[Quidway-acl-101]rulepermiticmpsourceanydestinationanyicmp-typeecho-reply
[Quidway]acl102
[Quidway-acl-102]rulepermitipsource10.0.0.10.0.0.0destination202.0.0.10.0.0.0
[Quidway-acl-102]ruledenyipsourceanydestinationany
[Quidway]acl103
[Quidway-acl-103]rulepermittcpsourceanydestination10.0.0.10.0.0.0destination-portequalftp
[Quidway-acl-103]rulepermittcpsourceanydestination10.0.0.20.0.0.0destination-portequalwww
[Quidway]firewallenable
[Quidway]firewalldefaultpermit|deny
[Quidway]inte0
[Quidway-Ethernet0]firewallpacket-filter101inbound|outbound华为路由器交换机配置命令：地址转换配置举例
[Quidway]firewallenable
[Quidway]firewalldefaultpermit
[Quidway]acl101;内部指定主机可以进入e0
[Quidway-acl-101]ruledenyipsourceanydestinationany
[Quidway-acl-101]rulepermitipsource129.38.1.10destinationany
[Quidway-acl-101]rulepermitipsource129.38.1.20destinationany
[Quidway-acl-101]rulepermitipsource129.38.1.30destinationany
[Quidway-acl-101]rulepermitipsource129.38.1.40destinationany
[Quidway-acl-101]quit
[Quidway]inte0
[Quidway-Ethernet0]firewallpacket-filter101inbound
[Quidway]acl102;外部特定主机和大于1024端口的数据包允许进入S0
[Quidway-acl-102]ruledenyipsourceanydestinationany
[Quidway-acl-102]rulepermittcpsource202.39.2.30destination202.38.160.10
[Quidway-acl-102]rulepermittcpsourceanydestination202.38.160.1
0destination-portgreat-than 1024
[Quidway-acl-102]quit
[Quidway]ints0
[Quidway-Serial0]firewallpacket-filter102inbound；设202.38.160.1是路由器出口IP。
[Quidway-Serial0]natoutbound101interface;是Easyip，将acl101允许的IP从本接口出时变换源地址。华为路由器交换机配置命令：内部服务器地址转换配置命令(静态nat)：
natserverglobal[port]insideport[protocol];global_port不写时使用inside_port
[Quidway-Serial0]natserverglobal202.38.160.1inside129.38.1.1ftptcp
[Quidway-Serial0]natserverglobal202.38.160.1inside129.38.1.2telnettcp
[Quidway-Serial0]natserverglobal202.38.160.1inside129.38.1.3wwwtcp
设有公网IP：202.38.160.101~202.38.160.103可以使用。;对外访问(原例题)
[Quidway]nataddress-group202.38.160.101202.38.160.103pool1;建立地址池
[Quidway]acl1
[Quidway-acl-1]rulepermitsource10.110.10.00.0.0.255;指定允许的内部网络
[Quidway-acl-1]ruledenysourceany
[Quidway-acl-1]intserial0
[Quidway-Serial0]natoutbound1address-grouppool1;在s0口从地址池取出IP对外访问
[Quidway-Serial0]natserverglobal202.38.160.101inside10.110.10.1