最佳答案
可以
MSR 分支路由器采用PPPoE拨号方式上网,IP地址不固定,MSR 总部路由器外网口G0/1的地址为1.1.1.1(模拟运营商公网固定地址环境)。要实现对分支1所在的内网(192.168.1.0/24)与分支2路由器所在的内网(192.168.3.0/24)之间的数据流进行安全保护,实现两端内网终端通过与总部建立IPsec VPN 隧道进行互访。
#配置一个访问控制列表3000,定义由总部子网192.168.2.0/24去分支1子网192.168.1.0/24和分支2子网192.168.3.0/24去分支1子网192.168.1.0/24的数据流
<H3C>system-view
[H3C]acl number 3000
[H3C-acl-adv-3000]rule 0 permit ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-adv-3000]rule 1 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-adv-3000]quit
#配置一个访问控制列表3001,定义由总部子网192.168.2.0/24去分支2子网192.168.1.0/24和分支1子网192.168.3.0/24去分支2子网192.168.1.0/24的数据流
[H3C]acl number 3001
[H3C-acl-adv-3001]rule 0 permit ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-adv-3001]rule 1 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-adv-3001]quit
#配置公网口NAT要关联的ACl 3002,作用是把IPSec感兴趣流从NAT转换的数据流deny掉,防止IPSec数据流被NAT优先转换
[H3C]acl number 3002
[H3C-acl-adv-3002]rule 0 deny ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-adv-3002]rule 1 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-adv-3002]rule 2 deny ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-adv-3002]rule 3 deny ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-adv-3002]rule 4 permit ip
[H3C-acl-adv-3002]quit
#创建一条IKE提议1,指定IKE提议使用的认证算法为MD5,加密算法为3des-cbc
[H3C]ike proposal 1
[H3C-ike-proposal-1]authentication-algorithm md5
[H3C-ike-proposal-1]encryption-algorithm 3des-cbc
[H3C-ike-proposal-1]quit
#配置本端FQDN名称为zongbu
[H3C]ike identity fqdn zongbu
#创建并配置IKE keychain,名称为RTA和RTB
[H3C]ike keychain RTA
#配置与分支之间协商采用的预共享密钥,(由于分支设备无固定IP,这里需要采用name的方式),这里配置分支1的name为RTA,分支2的name为RTB,分支name需要与分支侧设置的一致,使用的预共享密钥为明文123456
[H3C-ike-keychain-RTA]pre-shared-key hostname RTA key simple 123456
[H3C-ike-keychain-RTA]quit
[H3C]ike keychain RTB
[H3C-ike-keychain-RTB]pre-shared-key hostname RTB key simple 123456
[H3C-ike-keychain-RTB]quit
#创建并配置IKE profile,名称分别为RTA和RTB,引用上面配置的keychain,配置IKE第一阶段的协商模式为野蛮模式,本端身份类型为FQDN且取值为zongbu,指定需要匹配对端身份类型为FQDN且取值RTA和RTB,引用之前配置IKE提议1
[H3C]ike profile RTA
[H3C-ike-profile-RTA]keychain RTA
[H3C-ike-profile-RTA]exchange-mode aggressive
[H3C-ike-profile-RTA]local-identity fqdn zongbu
[H3C-ike-profile-RTA]match remote identity fqdn RTA
[H3C-ike-profile-RTA]proposal 1
[H3C-ike-profile-RTA]quit
[H3C]ike profile RTB
[H3C-ike-profile-RTB]keychain RTB
[H3C-ike-profile-RTB]exchange-mode aggressive
[H3C-ike-profile-RTB]local-identity fqdn zongbu
[H3C-ike-profile-RTB]match remote identity fqdn RTB
[H3C-ike-profile-RTB]proposal 1
[H3C-ike-profile-RTB]quit
#配置IPsec安全提议1,ESP协议采用的加密算法为3des-cbc,认证算法为md5
[H3C]ipsec transform-set 1
[H3C-ipsec-transform-set-1]encapsulation-mode tunnel
[H3C-ipsec-transform-set-1]esp encryption-algorithm 3des-cbc
[H3C-ipsec-transform-set-1]esp authentication-algorithm md5
[H3C-ipsec-transform-set-1]quit
#创建两个模板名字分别为t1和t2,顺序号为1的安全策略模板,引用之前创建的ACL3000和3001,引用之前创建的IKE profile,引用之前的IPSec安全提议1
[H3C]ipsec policy-template t1 1
[H3C-ipsec-policy-template-t1-1]security acl 3000
[H3C-ipsec-policy-template-t1-1]ike-profile RTA
[H3C-ipsec-policy-template-t1-1]transform-set 1
[H3C-ipsec-policy-template-t1-1]quit
[H3C]ipsec policy-template t2 1
[H3C-ipsec-policy-template-t2-1]security acl 3001
[H3C-ipsec-policy-template-t2-1]ike-profile RTB
[H3C-ipsec-policy-template-t2-1]transform-set 1
[H3C-ipsec-policy-template-t2-1]quit
#
[H3C] ipsec policy zongbu 1 isakmp template t1
[H3C] ipsec policy zongbu 2 isakmp template t2
#设置外网口做NAT转换的时候关联ACL 3002 (如果之前已经在外网口配置了 nat outbound,需要先undo掉),并将IPSec安全策略v7应用在外网接口
[H3C]interface GigabitEthernet 0/1
[H3C-GigabitEthernet0/1]undo nat outbound
[H3C-GigabitEthernet0/1]nat outbound 3002
[H3C-GigabitEthernet0/1]ipsec apply policy zongbu
[H3C-GigabitEthernet0/1]quit
#保存配置
[H3C]save force
#配置一个访问控制列表,定义由分支1子网192.168.1.0/24去总部子网192.168.2.0/24,分支1子网192.168.1.0/24去分支2子网192.168.3.0/24的数据流
<H3C>system-view
[H3C]acl advanced 3000
[H3C-acl-ipv4-adv-3000]rule 0 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255
[H3C-acl-ipv4-adv-3000]rule 1 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-ipv4-adv-3000]quit
#配置公网口NAT要关联的ACl 3001,作用是把IPSec感兴趣流从NAT转换的数据流deny掉,防止IPSec数据流被NAT优先转换
[H3C]acl advanced 3001
[H3C-acl-ipv4-adv-3001]rule 0 deny ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255
[H3C-acl-ipv4-adv-3001]rule 1 deny ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255
[H3C-acl-ipv4-adv-3001]rule 2 permit ip
[H3C-acl-adv-3001]quit
#创建一条IKE提议1,指定IKE提议使用的认证算法为MD5,加密算法为3des-cbc
[H3C]ike proposal 1
[H3C-ike-proposal-1]authentication-algorithm md5
[H3C-ike-proposal-1]encryption-algorithm 3des-cbc
[H3C-ike-proposal-1]quit
#配置本端FQDN名称为RTA
[H3C]ike identity fqdn RTA
#创建并配置IKE keychain,名称为RTA。
[H3C]ike keychain RTA
#配置对端IP地址为1.1.1.1,使用的预共享密钥为明文123456
[H3C-ike-keychain-RTA]pre-shared-key address 1.1.1.1 key simple 123456
[H3C-ike-keychain-RTA]quit
#创建并配置IKE profile,名称为RTA,引用上面配置的keychain RTA,配置IKE第一阶段的协商模式为野蛮模式,本端身份类型为FQDN且取值为RTA,指定需要匹配对端身份类型为FQDN且取值zongbu,引用之前配置IKE提议1
[H3C]ike profile RTA
[H3C-ike-profile-RTA]keychain RTA
[H3C-ike-profile-RTA]exchange-mode aggressive
[H3C-ike-profile-RTA]local-identity fqdn RTA
[H3C-ike-profile-RTA]match remote identity fqdn zongbu
[H3C-ike-profile-RTA]proposal 1
[H3C-ike-profile-RTA]quit
#配置IPsec安全提议1,ESP协议采用的加密算法为3des-cbc,认证算法为md5
[H3C]ipsec transform-set 1
[H3C-ipsec-transform-set-1]esp encryption-algorithm 3des-cbc
[H3C-ipsec-transform-set-1]esp authentication-algorithm md5
[H3C-ipsec-transform-set-1]quit
#创建一条IPSec安全策略RTA,协商方式为isakmp。引用之前创建的感兴趣数据流ACL3000,指定对端公网ip地址,引用之前创建的IKE profile,引用之前的IPSec安全提议1
[H3C]ipsec policy RTA 1 isakmp
[H3C-ipsec-policy-isakmp-RTA-1]security acl 3000
[H3C-ipsec-policy-isakmp-RTA-1]remote-address 1.1.1.1
[H3C-ipsec-policy-isakmp-RTA-1]ike-profile RTA
[H3C-ipsec-policy-isakmp-RTA-1]transform-set 1
[H3C-ipsec-policy-isakmp-RTA-1]quit
#设置外网口(在本例中假设拨号口为Dialer 10)做NAT转换的时候关联ACL 3001 (如果之前已经在外网口配置了 nat outbound,需要先undo掉),并将IPSec安全策略RTA应用在外网接口,
[H3C]interface Dialer 10
[H3C-Dialer10]undo nat outbound
[H3C-Dialer10]nat outbound 3001
[H3C-Dialer10]ipsec apply policy RTA
[H3C-Dialer10]quit
#保存配置
[H3C]save force
#配置一个访问控制列表,定义由分支2子网192.168.3.0/24去总部子网192.168.2.0/24,分支2子网192.168.3.0/24去分支1子网192.168.1.0/24的数据流
<H3C>system-view
[H3C]acl advanced 3000
[H3C-acl-ipv4-adv-3000]rule 0 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255
[H3C-acl-ipv4-adv-3000]rule 1 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-ipv4-adv-3000]quit
#配置公网口NAT要关联的ACl 3001,作用是把IPSec感兴趣流从NAT转换的数据流deny掉,防止IPSec数据流被NAT优先转换
[H3C]acl advanced 3001
[H3C-acl-ipv4-adv-3001]rule 0 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255
[H3C-acl-ipv4-adv-3001]rule 1 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255
[H3C-acl-ipv4-adv-3001]rule 2 permit ip
[H3C-acl-adv-3001]quit
#创建一条IKE提议1,指定IKE提议使用的认证算法为MD5,加密算法为3des-cbc
[H3C]ike proposal 1
[H3C-ike-proposal-1]authentication-algorithm md5
[H3C-ike-proposal-1]encryption-algorithm 3des-cbc
[H3C-ike-proposal-1]quit
#配置本端FQDN名称为RTB
[H3C]ike identity fqdn RTB
#创建并配置IKE keychain,名称为RTB。
[H3C]ike keychain RTB
#配置对端IP地址为1.1.1.1,使用的预共享密钥为明文123456
[H3C-ike-keychain-RTB]pre-shared-key address 1.1.1.1 key simple 123456
[H3C-ike-keychain-RTB]quit
#创建并配置IKE profile,名称为RTA,引用上面配置的keychain RTB,配置IKE第一阶段的协商模式为野蛮模式,本端身份类型为FQDN且取值为RTB,指定需要匹配对端身份类型为FQDN且取值zongbu,引用之前配置IKE提议1
[H3C]ike profile RTB
[H3C-ike-profile-RTB]keychain RTB
[H3C-ike-profile-RTB]exchange-mode aggressive
[H3C-ike-profile-RTB]local-identity fqdn RTB
[H3C-ike-profile-RTB]match remote identity fqdn zongbu
[H3C-ike-profile-RTB]proposal 1
[H3C-ike-profile-RTB]quit
#配置IPsec安全提议1,ESP协议采用的加密算法为3des-cbc,认证算法为md5
[H3C]ipsec transform-set 1
[H3C-ipsec-transform-set-1]esp encryption-algorithm 3des-cbc
[H3C-ipsec-transform-set-1]esp authentication-algorithm md5
[H3C-ipsec-transform-set-1]quit
#创建一条IPSec安全策略RTB,协商方式为isakmp。引用之前创建的感兴趣数据流ACL3000,指定对端公网ip地址,引用之前创建的IKE profile,引用之前的IPSec安全提议1
[H3C]ipsec policy RTB 1 isakmp
[H3C-ipsec-policy-isakmp-RTB-1]security acl 3000
[H3C-ipsec-policy-isakmp-RTB-1]ike-profile RTB
[H3C-ipsec-policy-isakmp-RTB-1]remote-address 1.1.1.1
[H3C-ipsec-policy-isakmp-RTB-1]transform-set 1
[H3C-ipsec-policy-isakmp-RTB-1]quit
#设置外网口(在本例中假设拨号口为Dialer 10)做NAT转换的时候关联ACL 3001 (如果之前已经在外网口配置了 nat outbound,需要先undo掉),并将IPSec安全策略RTA应用在外网接口,
[H3C]interface Dialer 10
[H3C-Dialer10]undo nat outbound
[H3C-Dialer10]nat outbound 3001
[H3C-Dialer10]ipsec apply policy RTB
[H3C-Dialer10]quit
#保存配置
[H3C]save force
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https://www.h3c.com/cn/d_202311/1968517_30005_0.htm#_Toc150941556
这个案例,然后使用FQDN认证
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