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华为USG防火墙 IPsec VPN配置思路和实操
实验拓扑:
使用华为ensp 1.2.00.370模拟器来完成。连接方式是 client1 - USG-1 - AR1 - USG-2 - clent2 链式组网结构。
实验需求:
USG-1和USG-2模拟企业边缘设备,分别在2台设备上配置NAT和IPsec VPN实现2边私网可以通过VPN互相通信。
实验配置:
R1的IP地址配置省略
USG-1配置
- [USG-1]firewall zone trust //配置trust区域
- [USG-1-zone-trust]add interface g0/0/0 //将接口加入trust区域
- [USG-1-zone-trust]quit
- [USG-1]firewall zone untrust //配置untrust区域
- [USG-1-zone-untrust]add int g0/0/1 //将接口加入untrust区域
- [USG-1-zone-untrust]quit
- [USG-1]int g0/0/0
- [USG-1-GigabitEthernet0/0/0]ip add 192.168.10.1 24
- [USG-1-GigabitEthernet0/0/0]int g0/0/1
- [USG-1-GigabitEthernet0/0/1]ip add 11.0.0.2 24
- [USG-1-GigabitEthernet0/0/1]quit
- [USG-1]ip route-static 0.0.0.0 0.0.0.0 11.0.0.1 //配置默认路由上公网
- [USG-1]nat-policy interzone trust untrust outbound
- //进入trust到untrust区域out方向的策略视图
- [USG-1-nat-policy-interzone-trust-untrust-outbound]policy 1 //创建一个策略
- [USG-1-nat-policy-interzone-trust-untrust-outbound-1]policy source 192.168.10.0 0.0.0.255
- [USG-1-nat-policy-interzone-trust-untrust-outbound-1]policy destination 192.168.20.0 0.0.0.255
- [USG-1-nat-policy-interzone-trust-untrust-outbound-1]action no-nat
- //以上三条命令意思是不允许将源为192.168.10.0/24网段目标为192.168.20.0/24网段的数据包进行NAT
- [USG-1-nat-policy-interzone-trust-untrust-outbound-1]quit
- [USG-1-nat-policy-interzone-trust-untrust-outbound]policy 2 //创建策略2
- [USG-1-nat-policy-interzone-trust-untrust-outbound-2]action source-nat
- //允许对源IP进行NAT
- [USG-1-nat-policy-interzone-trust-untrust-outbound-2]easy-ip g0/0/1
- //对接口G0/0/1地址复用
- [USG-1-nat-policy-interzone-trust-untrust-outbound-2]quit
- [USG-1-nat-policy-interzone-trust-untrust-outbound]quit
- -------阶段一---------
- [USG-1]ike proposal 1 //配置一个安全提议
- [USG-1-ike-proposal-1]authentication-method pre-share //配置IKE认证方式为预共享密钥
- [USG-1-ike-proposal-1]authentication-algorithm sha1 //配置IKE认证算法为sha1
- [USG-1-ike-proposal-1]integrity-algorithm aes-xcbc-96 //配置IKE完整性算法
- [USG-1-ike-proposal-1]dh group2 //配置IKE密钥协商DH组
- [USG-1-ike-proposal-1]quit
- [USG-1]ike peer USG-2 //创建一个IKE对等体名字为USG-2
- [USG-1-ike-peer-usg-2]pre-shared-key abc123 //配置预共享密钥
- [USG-1-ike-peer-usg-2]remote-address 12.0.0.2 //配置对等体IP地址
- [USG-1-ike-peer-usg-2]ike-proposal 1 //调用ike安全提议
- [USG-1-ike-peer-usg-2]quit
- ----------阶段二----------
- [USG-1]ipsec proposal test //配置一个ipsec安全提议
- [USG-1-ipsec-proposal-test]encapsulation-mode tunnel //封装方式采用隧道
- [USG-1-ipsec-proposal-test]transform esp //配置IPSEC安全协议为ESP
- [USG-1-ipsec-proposal-test]esp encryption-algorithm aes //配置ESP协议加密算法为aes
- [USG-1-ipsec-proposal-test]esp authentication-algorithm sha1 //配置ESP协议认证算法
- [USG-1-ipsec-proposal-test]quit
- [USG-1]acl 3000 //创建一个ACL定义感兴趣流
- [USG-1-acl-adv-3000]rule permit ip source 192.168.10.0 0.0.0.255 destination 192.168.20.0 0.0.0.255
- [USG-1]ipsec policy map 1 isakmp //创建一个安全策略,名称为map
- [USG-1-ipsec-policy-isakmp-map-1]ike-peer USG-2 //调用ike对等体
- [USG-1-ipsec-policy-isakmp-map-1]proposal test //调用IPsec安全提议
- [USG-1-ipsec-policy-isakmp-map-1]security acl 3000 //配置感兴趣流
- [USG-1-ipsec-policy-isakmp-map-1]quit
- [USG-1]int g0/0/1
- [USG-1-GigabitEthernet0/0/1]ipsec policy map //在外网口上调用安全策略
- 区域间策略配置
- [USG-1]policy interzone trust untrust outbound .
- //进入trust到untrust区域out方向策略视图
- [USG-1-policy-interzone-trust-untrust-outbound]policy 1 //创建策略
- [USG-1-policy-interzone-trust-untrust-outbound-1]action permit
- //允许trust区域所有主机访问untrust区域
- [USG-1-policy-interzone-trust-untrust-outbound-1]quit
- [USG-1-policy-interzone-trust-untrust-outbound]quit
- [USG-1]policy interzone trust untrust inbound
- //进入trust区域到untrust区域的in方向策略视图
- [USG-1-policy-interzone-trust-untrust-inbound]policy 1
- [USG-1-policy-interzone-trust-untrust-inbound-1]policy source 192.168.20.0 0.0.0.255
- [USG-1-policy-interzone-trust-untrust-inbound-1]policy destination 192.168.10.0 0.0.0.255
- [USG-1-policy-interzone-trust-untrust-inbound-1]action permit
- //以上命令为允许数据包源地址为192.168.20.0/24网段和目标地址为192.168.10.0/24网段的流量过
- [USG-1-policy-interzone-trust-untrust-inbound-1]quit
- [USG-1-policy-interzone-trust-untrust-inbound]quit
- [USG-1]policy interzone local untrust inbound
- //进入local区域到untrust区域的in方向策略视图
- [USG-1-policy-interzone-local-untrust-inbound]policy 1
- [USG-1-policy-interzone-local-untrust-inbound-1]policy service service-set esp
- [USG-1-policy-interzone-local-untrust-inbound-1]policy source 12.0.0.2 0
- [USG-1-policy-interzone-local-untrust-inbound-1]policy destination 11.0.0.2 0
- [USG-1-policy-interzone-local-untrust-inbound-1]action permit
- //允许源地址是12.0.0.2目标地址是11.0.0.2的数据包访问esp协议
- USG-2配置
- [USG-2]firewall zone trust
- [USG-2-zone-trust]add int g0/0/0
- [USG-2-zone-trust]quit
- [USG-2]firewall zone untrust
- [USG-2-zone-untrust]add int g0/0/1
- [USG-2-zone-untrust]quit
- [USG-2]int g0/0/0
- [USG-2-GigabitEthernet0/0/0]ip add 192.168.20.1 24
- [USG-2-GigabitEthernet0/0/0]int g0/0/1
- [USG-2-GigabitEthernet0/0/1]ip add 12.0.0.2 24
- [USG-2-GigabitEthernet0/0/1]quit
- [USG-2]ip route-static 0.0.0.0 0.0.0.0 12.0.0.1
- [USG-2]nat-policy interzone trust untrust outbound
- [USG-2-nat-policy-interzone-trust-untrust-outbound]policy 1
- [USG-2-nat-policy-interzone-trust-untrust-outbound-1]policy source 192.168.20.0 0.0.0.255
- [USG-2-nat-policy-interzone-trust-untrust-outbound-1]policy destination 192.168.10.0 0.0.0.255
- [USG-2-nat-policy-interzone-trust-untrust-outbound-1]action no-nat
- [USG-2-nat-policy-interzone-trust-untrust-outbound-1]quit
- [USG-2-nat-policy-interzone-trust-untrust-outbound]policy 2
- [USG-2-nat-policy-interzone-trust-untrust-outbound-2]action source-nat
- [USG-2-nat-policy-interzone-trust-untrust-outbound-2]easy-ip GigabitEthernet0/0/1
- [USG-2-nat-policy-interzone-trust-untrust-outbound-2]quit
- [USG-2-nat-policy-interzone-trust-untrust-outbound]quit
- [USG-2]ike proposal 1
- [USG-2-ike-proposal-1]authentication-method pre-share
- [USG-2-ike-proposal-1]authentication-algorithm sha1
- [USG-2-ike-proposal-1]integrity-algorithm aes-xcbc-96
- [USG-2-ike-proposal-1]dh group2
- [USG-2-ike-proposal-1]quit
- [USG-2]ike peer USG-A
- [USG-2-ike-peer-usg-a]pre-shared-key abc123
- [USG-2-ike-peer-usg-a]ike-proposal 1
- [USG-2-ike-peer-usg-a]remote-address 11.0.0.2
- [USG-2-ike-peer-usg-a]quit
- [USG-2]ipsec proposal test
- [USG-2-ipsec-proposal-test]encapsulation-mode tunnel
- [USG-2-ipsec-proposal-test]transform esp
- [USG-2-ipsec-proposal-test]esp encryption-algorithm aes
- [USG-2-ipsec-proposal-test]esp authentication-algorithm sha1
- [USG-2-ipsec-proposal-test]quit
- [USG-2]acl 3000
- [USG-2-acl-adv-3000]rule permit ip source 192.168.20.0 0.0.0.255 destination 192.168.10.0 0.0.0.255
- [USG-2-acl-adv-3000]quit
- [USG-2]ipsec policy map 1 isakmp
- [USG-2-ipsec-policy-isakmp-map-1]ike-peer USG-A
- [USG-2-ipsec-policy-isakmp-map-1]proposal test
- [USG-2-ipsec-policy-isakmp-map-1]security acl 3000
- [USG-2-ipsec-policy-isakmp-map-1]quit
- [USG-2]int g0/0/1
- [USG-2-GigabitEthernet0/0/1]ipsec policy map
- [USG-2-GigabitEthernet0/0/1]quit
- [USG-2]policy interzone trust untrust outbound
- [USG-2-policy-interzone-trust-untrust-outbound]policy 1
- [USG-2-policy-interzone-trust-untrust-outbound-1]action permit
- [USG-2-policy-interzone-trust-untrust-outbound-1]quit
- [USG-2-policy-interzone-trust-untrust-outbound]quit
- [USG-2]policy interzone trust untrust inbound
- [USG-2-policy-interzone-trust-untrust-inbound]policy 1
- [USG-2-policy-interzone-trust-untrust-inbound-1]policy source 192.168.10.0 0.0.0.255
- [USG-2-policy-interzone-trust-untrust-inbound-1]policy destination 192.168.20.0 0.0.0.255
- [USG-2-policy-interzone-trust-untrust-inbound-1]action permit
- [USG-2-policy-interzone-trust-untrust-inbound-1]quit
- [USG-2-policy-interzone-trust-untrust-inbound]quit
- [USG-2]policy interzone local untrust inbound
- [USG-2-policy-interzone-local-untrust-inbound]policy 1
- [USG-2-policy-interzone-local-untrust-inbound-1]policy source 11.0.0.2 0
- [USG-2-policy-interzone-local-untrust-inbound-1]policy destination 12.0.0.2 0
- [USG-2-policy-interzone-local-untrust-inbound-1]policy service service-set esp
- [USG-2-policy-interzone-local-untrust-inbound-1]action permit
使用C1(192.168.10.10)去ping C2(192.168.20.10)
使用dispaly ike sa和display ipsec sa来查看邻居建立情况