MSR3600设备如何配置主动协商呢?
配置添加IPsec VPN后,如何配置主动协商?
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最佳答案
请知:
使用IPSEC预共享密钥的方式。
以下是IPSEC的手册链接,请参考:
https://www.h3c.com/cn/d_202305/1841007_30005_0.htm#_Toc133619359
以下是配置案例,请参考:
在Router A和Router B之间建立一条IPsec隧道,对Host A所在的子网(10.1.1.0/24)与Host B所在的子网(10.1.2.0/24)之间的数据流进行安全保护。具体要求如下:
· 封装形式为隧道模式。
· 安全协议采用ESP协议。
· 加密算法采用128比特的AES,认证算法采用HMAC-SHA1。
· 手工方式建立IPsec SA。
图1-10 保护IPv4报文的IPsec配置组网图
(1) 配置Router A
# 配置各接口的IP地址,具体略。
# 配置一个IPv4高级ACL,定义要保护由子网10.1.1.0/24去往子网10.1.2.0/24的数据流。
<RouterA> system-view
[RouterA] acl advanced 3101
[RouterA-acl-ipv4-adv-3101] rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255
[RouterA-acl-ipv4-adv-3101] quit
# 配置到达Host B所在子网的静态路由。2.2.2.3为本例中的直连下一跳地址,实际使用中请以具体组网情况为准。
[RouterA] ip route-static 10.1.2.0 255.255.255.0 gigabitethernet 1/0/2 2.2.2.3
# 创建IPsec安全提议tran1。
[RouterA] ipsec transform-set tran1
# 配置安全协议对IP报文的封装形式为隧道模式。
[RouterA-ipsec-transform-set-tran1] encapsulation-mode tunnel
# 配置采用的安全协议为ESP。
[RouterA-ipsec-transform-set-tran1] protocol esp
# 配置ESP协议采用的加密算法为采用128比特的AES,认证算法为HMAC-SHA1。
[RouterA-ipsec-transform-set-tran1] esp encryption-algorithm aes-cbc-128
[RouterA-ipsec-transform-set-tran1] esp authentication-algorithm sha1
[RouterA-ipsec-transform-set-tran1] quit
# 创建一条手工方式的IPsec安全策略,名称为map1,序列号为10。
[RouterA] ipsec policy map1 10 manual
# 指定引用ACL 3101。
[RouterA-ipsec-policy-manual-map1-10] security acl 3101
# 指定引用的IPsec安全提议为tran1。
[RouterA-ipsec-policy-manual-map1-10] transform-set tran1
# 指定IPsec隧道对端IP地址为2.2.3.1。
[RouterA-ipsec-policy-manual-map1-10] remote-address 2.2.3.1
# 配置ESP协议的出方向SPI为12345,入方向SPI为54321。
[RouterA-ipsec-policy-manual-map1-10] sa spi outbound esp 12345
[RouterA-ipsec-policy-manual-map1-10] sa spi inbound esp 54321
# 配置ESP协议的出方向SA的密钥为明文字符串abcdefg,入方向SA的密钥为明文字符串gfedcba。
[RouterA-ipsec-policy-manual-map1-10] sa string-key outbound esp simple abcdefg
[RouterA-ipsec-policy-manual-map1-10] sa string-key inbound esp simple gfedcba
[RouterA-ipsec-policy-manual-map1-10] quit
# 在接口GigabitEthernet1/0/2上应用IPsec安全策略map1。
[RouterA] interface gigabitethernet 1/0/2
[RouterA-GigabitEthernet1/0/2] ip address 2.2.2.1 255.255.255.0
[RouterA-GigabitEthernet1/0/2] ipsec apply policy map1
[RouterA-GigabitEthernet1/0/2] quit
(2) 配置Router B
# 配置各接口的IP地址,具体略。
# 配置一个IPv4高级ACL,定义要保护由子网10.1.2.0/24去往子网10.1.1.0/24的数据流。
<RouterB> system-view
[RouterB] acl advanced 3101
[RouterB-acl-ipv4-adv-3101] rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0 0.0.0.255
[RouterB-acl-ipv4-adv-3101] quit
# 配置到达Host A所在子网的静态路由。2.2.3.3为本例中的直连下一跳地址,实际使用中请以具体组网情况为准。
[RouterB] ip route-static 10.1.1.0 255.255.255.0 gigabitethernet 1/0/2 2.2.3.3
# 创建IPsec安全提议tran1。
[RouterB] ipsec transform-set tran1
# 配置安全协议对IP报文的封装形式为隧道模式。
[RouterB-ipsec-transform-set-tran1] encapsulation-mode tunnel
# 配置采用的安全协议为ESP。
[RouterB-ipsec-transform-set-tran1] protocol esp
# 配置ESP协议采用的加密算法为128比特的AES,认证算法为HMAC-SHA1。
[RouterB-ipsec-transform-set-tran1] esp encryption-algorithm aes-cbc-128
[RouterB-ipsec-transform-set-tran1] esp authentication-algorithm sha1
[RouterB-ipsec-transform-set-tran1] quit
# 创建一条手工方式的IPsec安全策略,名称为use1,序列号为10。
[RouterB] ipsec policy use1 10 manual
# 指定引用ACL 3101。
[RouterB-ipsec-policy-manual-use1-10] security acl 3101
# 指定引用的IPsec安全提议为tran1。
[RouterB-ipsec-policy-manual-use1-10] transform-set tran1
# 指定IPsec隧道对端IP地址为2.2.2.1。
[RouterB-ipsec-policy-manual-use1-10] remote-address 2.2.2.1
# 配置ESP协议的出方向SPI为54321,入方向SPI为12345。
[RouterB-ipsec-policy-manual-use1-10] sa spi outbound esp 54321
[RouterB-ipsec-policy-manual-use1-10] sa spi inbound esp 12345
# 配置ESP协议的出方向SA的密钥为明文字符串gfedcba,入方向SA的密钥为明文字符串abcdefg。
[RouterB-ipsec-policy-manual-use1-10] sa string-key outbound esp simple gfedcba
[RouterB-ipsec-policy-manual-use1-10] sa string-key inbound esp simple abcdefg
[RouterB-ipsec-policy-manual-use1-10] quit
# 在接口GigabitEthernet1/0/2上应用IPsec安全策略use1。
[RouterB] interface gigabitethernet 1/0/2
[RouterB-GigabitEthernet1/0/2] ip address 2.2.3.1 255.255.255.0
[RouterB-GigabitEthernet1/0/2] ipsec apply policy use1
[RouterB-GigabitEthernet1/0/2] quit
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