H3C Policy NAT 华三策略地址转换 2020-07-03 网络 暂无评论 2481 次阅读 ![h3c-policy-nat.png](https://blog.moper.net/usr/uploads/2020/07/4121633043.png) 预配置如下: ``` [r1] # sysname r1 # interface Serial1/0 ip address 20.0.0.1 255.255.255.0 # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address 10.0.0.254 255.255.255.0 # ip route-static 0.0.0.0 0 20.0.0.100 # return [r2pc] # sysname r2pc # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address 10.0.0.1 255.255.255.0 # ip route-static 0.0.0.0 0 10.0.0.254 # return [r7isp] # sysname r7isp # interface Serial1/0 ip address 20.0.0.100 255.255.255.0 # interface Serial2/0 ip address 20.1.1.100 255.255.255.0 # interface Serial3/0 ip address 20.2.2.100 255.255.255.0 # return [r4] # sysname r4 # interface Serial2/0 ip address 20.1.1.1 255.255.255.0 # ip route-static 0.0.0.0 0 20.1.1.100 # return [r8] # sysname r8 # interface Serial3/0 ip address 20.2.2.1 255.255.255.0 # ip route-static 0.0.0.0 0 20.2.2.100 # return ``` 需求场景 同一主机,访问不同目的时,源地址转换为不同的地址 企业总部内网 r2pc (10.0.0.1)访问企业分支A 的r4公网接口(20.1.1.1)时,源地址转换为20.0.0.4, 访问企业分支B的r8公网接口(20.2.2.1)时,源地址转换为20.0.0.8。 配置如下: ``` [r1] # interface Serial1/0 ip address 20.0.0.1 255.255.255.0 nat outbound name r2pc-r4 address-group 4 nat outbound name r2pc-r8 address-group 8 # acl advanced name r2pc-r4 rule 0 permit ip source 10.0.0.1 0 destination 20.1.1.1 0 # acl advanced name r2pc-r8 rule 0 permit ip source 10.0.0.1 0 destination 20.2.2.1 0 # nat address-group 4 address 20.0.0.4 20.0.0.4 # nat address-group 8 address 20.0.0.8 20.0.0.8 # return ``` 验证:在r2pc 上分别ping r4的 20.1.1.1 和 r8的 20.2.2.1 r1上通过 display nat session verbose 命令查看NAT转换会话表项 ![h3c-policy-nat-v1.png](https://blog.moper.net/usr/uploads/2020/07/3698880639.png) r2pc 上ping r4的 20.1.1.1 ,在r4通过debugging ip icmp 和 terminal debugging验证源转换 ![h3c-policy-nat-v2.png](https://blog.moper.net/usr/uploads/2020/07/3115672936.png) r2pc 上pingr8的 20.2.2.1 ,在r8通过debugging ip icmp 和 terminal debugging验证源转换 ![h3c-policy-nat-v3.png](https://blog.moper.net/usr/uploads/2020/07/2159734366.png) 转自http://www.itbj.net/h3c-policy-nat/ 标签: nat, h3c 本作品采用 知识共享署名-相同方式共享 4.0 国际许可协议 进行许可。