FW1000防火墙+IPSECVPN，野蛮模式
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问题描述：
两台防火墙、一台FW1000,一台FW100,建立ipsecvpn隧道，中间经过nat网关设备，两台防火墙建立ipsecvpn隧道，用主动模式，还是野蛮模式？，相关配置有吗？如下图，防火墙A，需要跟防火墙C建立隧道，中间经过负载均衡上做了nat，导致防火墙C的地址不可见，如何建立隧道，用主动模式，一直没建立成功，有什么办法能解决？
最佳答案
野蛮模式
组网说明：
本案例采用H3C HCL模拟器的F1060防火墙来模拟IPSEC NAT穿越的典型组网配置。在网络拓扑图中存在子网1和子网2.为了保障子网1和子网2相互传输数据的安全性，因此需要在FW1与FW2采用建立IPSEC VPN隧道，由于FW1的出接口地址不固定且ISP为子网1的NAT设备，因此采用IKE野蛮模式。
配置步骤
1、按照网络拓扑图正确配置IP地址
2、ISP配置NAT
3、FW1与FW2的互联接口加入安全域，并放通域间策略
4、FW1与FW2建立IPSEC VPN隧道，采用IKE野蛮模式
配置关键点
ISP：
System View: return to User View with Ctrl+Z.
[H3C]sysname ISP
[ISP]int gi 0/0
[ISP-GigabitEthernet0/0]des
[ISP-GigabitEthernet0/0]ip address 202.1.100.1 24
[ISP-GigabitEthernet0/0]dhcp server apply ip-pool 1
[ISP-GigabitEthernet0/0]quit
[ISP]acl basic 2000
[ISP-acl-ipv4-basic-2000]rule 0 permit source any
[ISP-acl-ipv4-basic-2000]quit
[ISP]int gi 0/1
[ISP-GigabitEthernet0/1]des
[ISP-GigabitEthernet0/1]ip address 202.2.100.1 30
[ISP-GigabitEthernet0/1]nat outbound 2000
[ISP-GigabitEthernet0/1]quit
[ISP]ip route-static 192.168.1.0 255.255.255.0 202.1.100.2
[ISP]ip route-static 172.16.1.0 255.255.255.0 202.2.100.2
[ISP]dhcp enable
[ISP]dhcp server ip-pool 1
[ISP-dhcp-pool-1]network 202.1.100.0 mask 255.255.255.0
[ISP-dhcp-pool-1]gateway-list 202.1.100.1
[ISP-dhcp-pool-1]quit
FW1：
System View: return to User View with Ctrl+Z.
[H3C]sysname FW1
[FW1]int gi 1/0/3
[FW1-GigabitEthernet1/0/3]ip address 192.168.1.1 24
[FW1-GigabitEthernet1/0/3]quit
[FW1]int gi 1/0/2
[FW1-GigabitEthernet1/0/2]des
[FW1-GigabitEthernet1/0/2]ip address dhcp-alloc
[FW1-GigabitEthernet1/0/2]quit
[FW1]ip route-static 0.0.0.0 0.0.0.0 202.1.100.1
[FW1]security-zone name Trust
[FW1-security-zone-Trust]import interface GigabitEthernet 1/0/3
[FW1-security-zone-Trust]quit
[FW1]security-zone name Untrust
[FW1-security-zone-Untrust]import interface GigabitEthernet 1/0/2
[FW1-security-zone-Untrust]quit
[FW1]acl basic 2001
[FW1-acl-ipv4-basic-2001]rule 0 permit source any
[FW1-acl-ipv4-basic-2001]quit
[FW1]
[FW1]zone-pair security source trust destination untrust
[FW1-zone-pair-security-Trust-Untrust]packet-filter 2001
[FW1-zone-pair-security-Trust-Untrust]quit
[FW1]
[FW1]zone-pair security source untrust destination trust
[FW1-zone-pair-security-Untrust-Trust]packet-filter 2001
[FW1-zone-pair-security-Untrust-Trust]quit
[FW1]
[FW1]zone-pair security source trust destination local
[FW1-zone-pair-security-Trust-Local]packet-filter 2001
[FW1-zone-pair-security-Trust-Local]quit
[FW1]
[FW1]zone-pair security source local destination trust
[FW1-zone-pair-security-Local-Trust]packet-filter 2001
[FW1-zone-pair-security-Local-Trust]quit
[FW1]
[FW1]zone-pair security source untrust destination local
[FW1-zone-pair-security-Untrust-Local]packet-filter 2001
[FW1-zone-pair-security-Untrust-Local]quit
[FW1]
[FW1]zone-pair security source local destination untrust
[FW1-zone-pair-security-Local-Untrust]packet-filter 2001
[FW1-zone-pair-security-Local-Untrust]quit
FW1 IPSEC+IKE野蛮模式关键配置点：
[FW1]acl advanced 3000
[FW1-acl-ipv4-adv-3000]rule 0 permit ip source 192.168.1.0 0.0.0.255 destination 172.16.1.0 0.0.0.255
[FW1-acl-ipv4-adv-3000]quit
[FW1]ike identity fqdn fw1
[FW1]ike keychain james
[FW1-ike-keychain-james]pre-shared-key address 202.2.100.2 255.255.255.252 key simple james
[FW1-ike-keychain-james]quit
[FW1]ike proposal 1
[FW1-ike-proposal-1]quit
[FW1]ike profile james
[FW1-ike-profile-james]keychain james
[FW1-ike-profile-james]proposal 1
[FW1-ike-profile-james]match remote identity address 202.2.100.2 255.255.255.252
[FW1-ike-profile-james]exchange-mode aggressive
[FW1-ike-profile-james]quit
[FW1]ipsec transform-set james
[FW1-ipsec-transform-set-james]protocol esp
[FW1-ipsec-transform-set-james]encapsulation-mode tunnel
[FW1-ipsec-transform-set-james]esp authentication-algorithm md5
[FW1-ipsec-transform-set-james]esp encryption-algorithm des-cbc
[FW1-ipsec-transform-set-james]quit
[FW1]ipsec policy james 1 isakmp
[FW1-ipsec-policy-isakmp-james-1]security acl 3000
[FW1-ipsec-policy-isakmp-james-1]transform-set james
[FW1-ipsec-policy-isakmp-james-1]ike-profile james
[FW1-ipsec-policy-isakmp-james-1]remote-address 202.2.100.2
[FW1-ipsec-policy-isakmp-james-1]quit
[FW1]int gi 1/0/2
[FW1-GigabitEthernet1/0/2]ipsec apply policy james
[FW1-GigabitEthernet1/0/2]quit
FW2：
System View: return to User View with Ctrl+Z.
[H3C]sysname FW2
[FW2]int gi 1/0/3
[FW2-GigabitEthernet1/0/3]ip address 172.16.1.1 24
[FW2-GigabitEthernet1/0/3]quit
[FW2]int gi 1/0/2
[FW2-GigabitEthernet1/0/2]des
[FW2-GigabitEthernet1/0/2]ip address 202.2.100.2 30
[FW2-GigabitEthernet1/0/2]quit
[FW2]ip route-static 0.0.0.0 0.0.0.0 202.2.100.1
[FW2]security-zone name Untrust
[FW2-security-zone-Untrust]import interface GigabitEthernet 1/0/2
[FW2-security-zone-Untrust]quit
[FW2]security-zone name Trust
[FW2-security-zone-Trust]import interface GigabitEthernet 1/0/3
[FW2-security-zone-Trust]quit
[FW2]zone-pair security source trust destination untrust
[FW2-zone-pair-security-Trust-Untrust]packet-filter 2001
[FW2-zone-pair-security-Trust-Untrust]quit
[FW2]
[FW2]zone-pair security source untrust destination trust
[FW2-zone-pair-security-Untrust-Trust]packet-filter 2001
[FW2-zone-pair-security-Untrust-Trust]quit
[FW2]
[FW2]zone-pair security source trust destination local
[FW2-zone-pair-security-Trust-Local]packet-filter 2001
[FW2-zone-pair-security-Trust-Local]quit
[FW2]
[FW2]zone-pair security source local destination trust
[FW2-zone-pair-security-Local-Trust]packet-filter 2001
[FW2-zone-pair-security-Local-Trust]quit
[FW2]
[FW2]zone-pair security source untrust destination local
[FW2-zone-pair-security-Untrust-Local]packet-filter 2001
[FW2-zone-pair-security-Untrust-Local]quit
[FW2]
[FW2]zone-pair security source local destination untrust
[FW2-zone-pair-security-Local-Untrust]packet-filter 2001
[FW2-zone-pair-security-Local-Untrust]quit
FW2 IPSEC+IKE野蛮模式关键配置点：
[FW2]acl advanced 3000
[FW2-acl-ipv4-adv-3000]rule 0 permit ip source 172.16.1.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[FW2-acl-ipv4-adv-3000]quit
[FW2]ike identity fqdn fw2
[FW2]ike proposal 1
[FW2-ike-proposal-1]quit
[FW2]ike keychain james
[FW2-ike-keychain-james]pre-shared-key hostname fw1 key simple james
[FW2-ike-keychain-james]quit
[FW2]ike profile james
[FW2-ike-profile-james]keychain james
[FW2-ike-profile-james]proposal 1
[FW2-ike-profile-james]match remote identity fqdn fw1
[FW2-ike-profile-james]exchange-mode aggressive
[FW2-ike-profile-james]quit
[FW2]ipsec transform-set james
[FW2-ipsec-transform-set-james]protocol esp
[FW2-ipsec-transform-set-james]encapsulation-mode tunnel
[FW2-ipsec-transform-set-james]esp authentication-algorithm md5
[FW2-ipsec-transform-set-james]esp encryption-algorithm des-cbc
[FW2-ipsec-transform-set-james]quit
[FW2]ipsec policy-template james 1
[FW2-ipsec-policy-template-james-1]security acl 3000
[FW2-ipsec-policy-template-james-1]transform-set james
[FW2-ipsec-policy-template-james-1]ike-profile james
[FW2-ipsec-policy-template-james-1]quit
[FW2]ipsec policy james 1 isakmp template james
[FW2]int gi 1/0/2
[FW2-GigabitEthernet1/0/2]ipsec apply policy james
[FW2-GigabitEthernet1/0/2]quit
测试：
物理机都填写IP地址：
PC之间可以相互PING通：
查看FW1的IPSEC显示信息：
查看FW1出接口配置及获取到的IP地址：
查看ISP DHCP分配出去的地址：
查看FW2的IPSEC显示信息：
至此，F1060 IPSEC NAT穿越典型组网配置案例已完成！
- 2024-06-14回答
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都有固定IP地址就是主动模式，如果有一端是不固定的IP地址。那么就用野蛮模式
填写对端地址的话 应该填写负载均衡的公网地址，在负载均衡上还需要做nat映射
- 2024-06-14回答
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在负载上做nat映射，映射的是我本地需要建立隧道的私网地址吗，还是我负载下防火墙的出口地址（也是私网）也要做映射出去？
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