MSR3600設備如何配置主動協商呢?
配置添加IPsec VPN後,如何配置主動協商?
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請知:
使用IPSEC預共享密鑰的方式。
以下是IPSEC的手冊鏈接,請參考:
//www.yolosolive.com/cn/d_202305/1841007_30005_0.htm#_Toc133619359
以下是配置案例,請參考:
在Router A和Router B之間建立一條IPsec隧道,對Host A所在的子網(10.1.1.0/24)與Host B所在的子網(10.1.2.0/24)之間的數據流進行安全保護。具體要求如下:
· 封裝形式為隧道模式。
· 安全協議采用ESP協議。
· 加密算法采用128比特的AES,認證算法采用HMAC-SHA1。
· 手工方式建立IPsec SA。
圖1-10 保護IPv4報文的IPsec配置組網圖
(1) 配置Router A
# 配置各接口的IP地址,具體略。
# 配置一個IPv4高級ACL,定義要保護由子網10.1.1.0/24去往子網10.1.2.0/24的數據流。
<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
# 配置到達Host B所在子網的靜態路由。2.2.2.3為本例中的直連下一跳地址,實際使用中請以具體組網情況為準。
[RouterA] ip route-static 10.1.2.0 255.255.255.0 gigabitethernet 1/0/2 2.2.2.3
# 創建IPsec安全提議tran1。
[RouterA] ipsec transform-set tran1
# 配置安全協議對IP報文的封裝形式為隧道模式。
[RouterA-ipsec-transform-set-tran1] encapsulation-mode tunnel
# 配置采用的安全協議為ESP。
[RouterA-ipsec-transform-set-tran1] protocol esp
# 配置ESP協議采用的加密算法為采用128比特的AES,認證算法為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
# 創建一條手工方式的IPsec安全策略,名稱為map1,序列號為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安全提議為tran1。
[RouterA-ipsec-policy-manual-map1-10] transform-set tran1
# 指定IPsec隧道對端IP地址為2.2.3.1。
[RouterA-ipsec-policy-manual-map1-10] remote-address 2.2.3.1
# 配置ESP協議的出方向SPI為12345,入方向SPI為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協議的出方向SA的密鑰為明文字符串abcdefg,入方向SA的密鑰為明文字符串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上應用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,具體略。
# 配置一個IPv4高級ACL,定義要保護由子網10.1.2.0/24去往子網10.1.1.0/24的數據流。
<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
# 配置到達Host A所在子網的靜態路由。2.2.3.3為本例中的直連下一跳地址,實際使用中請以具體組網情況為準。
[RouterB] ip route-static 10.1.1.0 255.255.255.0 gigabitethernet 1/0/2 2.2.3.3
# 創建IPsec安全提議tran1。
[RouterB] ipsec transform-set tran1
# 配置安全協議對IP報文的封裝形式為隧道模式。
[RouterB-ipsec-transform-set-tran1] encapsulation-mode tunnel
# 配置采用的安全協議為ESP。
[RouterB-ipsec-transform-set-tran1] protocol esp
# 配置ESP協議采用的加密算法為128比特的AES,認證算法為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
# 創建一條手工方式的IPsec安全策略,名稱為use1,序列號為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安全提議為tran1。
[RouterB-ipsec-policy-manual-use1-10] transform-set tran1
# 指定IPsec隧道對端IP地址為2.2.2.1。
[RouterB-ipsec-policy-manual-use1-10] remote-address 2.2.2.1
# 配置ESP協議的出方向SPI為54321,入方向SPI為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協議的出方向SA的密鑰為明文字符串gfedcba,入方向SA的密鑰為明文字符串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上應用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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