防火牆配置IPSecVPN，如果總部沒有ipv4地址，隻有ipv6地址可以做配置嗎

1.16.11  網關與網關之間采用IKE方式建立保護IPv6報文的IPsec隧道配置舉例

1. 組網需求

在Device A和Device B之間建立一條IPsec隧道，對Host A所在的子網（333::/64）與Host B所在的子網（555::/64）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。

·     IKE協商方式建立IPsec SA。

2. 組網圖

圖1-20 保護IPv6報文的IPsec配置組網圖

‌

3. 配置Device A

(1)     配置接口IP地址

# 根據組網圖中規劃的信息，配置各接口的IP地址，具體配置步驟如下。

<DeviceA> system-view

[DeviceA] interface gigabitethernet 1/0/1

[DeviceA-GigabitEthernet1/0/1] ipv6 address 333::1/64

[DeviceA-GigabitEthernet1/0/1] quit

請參考以上步驟配置其他接口的IP地址，具體配置步驟略。

(2)     配置路由

本舉例僅以靜態路由方式配置路由信息。實際組網中，請根據具體情況選擇相應的路由配置方式。

# 請根據組網圖中規劃的信息，配置靜態路由，本舉例假設下一跳IP地址為111::2，實際使用中請以具體組網情況為準，具體配置步驟如下。

[DeviceA] ipv6 route-static 555::0 64 111::2

[DeviceA] ipv6 route-static 222::0 64 111::2

(3)     配置接口加入安全域。

# 請根據組網圖中規劃的信息，將接口加入對應的安全域，具體配置步驟如下。

[DeviceA] security-zone name trust

[DeviceA-security-zone-Trust] import interface gigabitethernet 1/0/1

[DeviceA-security-zone-Trust] quit

[DeviceA] security-zone name untrust

[DeviceA-security-zone-Untrust] import interface gigabitethernet 1/0/2

[DeviceA-security-zone-Untrust] quit

(4)     配置安全策略

a.     配置安全策略放行Untrust與Local安全域之間的流量，用於設備之間可以建立IPsec隧道。

# 配置名稱為ipseclocalout的安全策規則，使Device A可以向Device B發送IPsec隧道協商報文，具體配置步驟如下。

[DeviceA] security-policy ipv6

[DeviceA-security-policy-ipv6] rule name ipseclocalout

[DeviceA-security-policy-ipv6-1-ipseclocalout] source-zone local

[DeviceA-security-policy-ipv6-1-ipseclocalout] destination-zone untrust

[DeviceA-security-policy-ipv6-1-ipseclocalout] source-ip-host 111::1

[DeviceA-security-policy-ipv6-1-ipseclocalout] destination-ip-host 222::1

[DeviceA-security-policy-ipv6-1-ipseclocalout] action pass

[DeviceA-security-policy-ipv6-1-ipseclocalout] quit

# 配置名稱為ipseclocalin的安全策略規則，使Device A可以接收和處理來自Device B的IPsec隧道協商報文，具體配置步驟如下。

[DeviceA-security-policy-ipv6] rule name ipseclocalin

[DeviceA-security-policy-ipv6-2-ipseclocalin] source-zone untrust

[DeviceA-security-policy-ipv6-2-ipseclocalin] destination-zone local

[DeviceA-security-policy-ipv6-2-ipseclocalin] source-ip-host 222::1

[DeviceA-security-policy-ipv6-2-ipseclocalin] destination-ip-host 111::1

[DeviceA-security-policy-ipv6-2-ipseclocalin] action pass

[DeviceA-security-policy-ipv6-2-ipseclocalin] quit

b.     配置安全策略放行Host A與Host B之間的流量

# 配置名稱為trust-untrust的安全策略規則，使Host A訪問Host B的報文可通，具體配置步驟如下。

[DeviceA-security-policy-ipv6] rule name trust-untrust

[DeviceA-security-policy-ipv6-3-trust-untrust] source-zone trust

[DeviceA-security-policy-ipv6-3-trust-untrust] destination-zone untrust

[DeviceA-security-policy-ipv6-3-trust-untrust] source-ip-subnet 333::1 64

[DeviceA-security-policy-ipv6-3-trust-untrust] destination-ip-subnet 555::1 64

[DeviceA-security-policy-ipv6-3-trust-untrust] action pass

[DeviceA-security-policy-ipv6-3-trust-untrust] quit

# 配置名稱為untrust-trust的安全策略規則，使Host B訪問Host A的報文可通，具體配置步驟如下。

[DeviceA-security-policy-ipv6] rule name untrust-trust

[DeviceA-security-policy-ipv6-4-untrust-trust] source-zone untrust

[DeviceA-security-policy-ipv6-4-untrust-trust] destination-zone trust

[DeviceA-security-policy-ipv6-4-untrust-trust] source-ip-subnet 555::1 64

[DeviceA-security-policy-ipv6-4-untrust-trust] destination-ip-subnet 333::1 64

[DeviceA-security-policy-ipv6-4-untrust-trust] action pass

[DeviceA-security-policy-ipv6-4-untrust-trust] quit

[DeviceA-security-policy-ipv6] quit

(5)     定義需要保護的數據流

# 配置一個IPv6高級ACL，定義要保護由子網333::/64去往子網555::/64的數據流。

[DeviceA] acl ipv6 advanced 3101

[DeviceA-acl-ipv6-adv-3101] rule permit ipv6 source 333::0 64 destination 555::0 64

[DeviceA-acl-ipv6-adv-3101] quit

(6)     配置IPsec安全提議，協商封裝報文使用的各種安全協議

# 創建IPsec安全提議，兩端配置的安全提議參數需要完全相同，具體配置步驟如下。

[DeviceA] ipsec transform-set tran1

[DeviceA-ipsec-transform-set-tran1] encapsulation-mode tunnel

[DeviceA-ipsec-transform-set-tran1] protocol esp

[DeviceA-ipsec-transform-set-tran1] esp encryption-algorithm aes-cbc-128

[DeviceA-ipsec-transform-set-tran1] esp authentication-algorithm sha1

[DeviceA-ipsec-transform-set-tran1] quit

(7)     配置IKE keychain，約定通信雙方使用的密鑰信息

# 創建並配置IKE keychain，協商雙方配置的預共享密鑰必須完全相同，具體配置步驟如下。

[DeviceA] ike keychain keychain1

[DeviceA-ike-keychain-keychain1] pre-shared-key address ipv6 222::1 64 key simple 123456TESTplat&!

[DeviceA-ike-keychain-keychain1] quit

(8)     配置IKE profile，約定建立IKE SA所需的安全參數

[DeviceA] ike profile profile1

[DeviceA-ike-profile-profile1] keychain keychain1

[DeviceA-ike-profile-profile1] match remote identity address ipv6 222::1 64

[DeviceA-ike-profile-profile1] quit

(9)     配置IPsec安全策略，建立IPsec隧道，保護需要防護的數據流

# 創建一條IKE協商方式的IPsec安全策略，引用需要保護數據流的ACL和所需的IPsec安全提議，指定本端和對端的IP地址，引用IKE profile，具體配置步驟如下。

[DeviceA] ipsec ipv6-policy map1 10 isakmp

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] security acl ipv6 3101

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] transform-set tran1

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] local-address ipv6 111::1

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] remote-address ipv6 222::1

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] ike-profile profile1

[DeviceA-ipsec-ipv6-policy-isakmp-map1-10] quit

(10)     在接口上應用IPsec安全策略，對接口上的流量進行保護

# 在接口GigabitEthernet1/0/2上應用IPsec安全策略，具體配置步驟如下。

[DeviceA] interface gigabitethernet 1/0/2

[DeviceA-GigabitEthernet1/0/2] ipsec apply ipv6-policy map1

[DeviceA-GigabitEthernet1/0/2] quit

4. 配置Device B

(1)     配置接口IP地址

# 根據組網圖中規劃的信息，配置各接口的IP地址，具體配置步驟如下。

<DeviceB> system-view

[DeviceB] interface gigabitethernet 1/0/1

[DeviceB-GigabitEthernet1/0/1] ipv6 address 555::1/64

[DeviceB-GigabitEthernet1/0/1] quit

請參考以上步驟配置其他接口的IP地址，具體配置步驟略。

(2)     配置路由

本舉例僅以靜態路由方式配置路由信息。實際組網中，請根據具體情況選擇相應的路由配置方式。

# 請根據組網圖中規劃的信息，配置靜態路由，本舉例假設下一跳IP地址為222::2，實際使用中請以具體組網情況為準，具體配置步驟如下。

[DeviceB] ipv6 route-static 333::0 64 222::2

[DeviceB] ipv6 route-static 111::0 64 222::2

(3)     配置接口加入安全域。

# 請根據組網圖中規劃的信息，將接口加入對應的安全域，具體配置步驟如下。

[DeviceB] security-zone name trust

[DeviceB-security-zone-Trust] import interface gigabitethernet 1/0/1

[DeviceB-security-zone-Trust] quit

[DeviceB] security-zone name untrust

[DeviceB-security-zone-Untrust] import interface gigabitethernet 1/0/2

[DeviceB-security-zone-Untrust] quit

(4)     配置安全策略

a.     配置安全策略放行Untrust與Local安全域之間的流量，用於設備之間可以建立IPsec隧道。

# 配置名稱為ipseclocalout的安全策規則，使Device B可以向Device A發送IPsec隧道協商報文，具體配置步驟如下。

[DeviceB] security-policy ipv6

[DeviceB-security-policy-ipv6] rule name ipseclocalout

[DeviceB-security-policy-ipv6-1-ipseclocalout] source-zone local

[DeviceB-security-policy-ipv6-1-ipseclocalout] destination-zone untrust

[DeviceB-security-policy-ipv6-1-ipseclocalout] source-ip-host 222::1

[DeviceB-security-policy-ipv6-1-ipseclocalout] destination-ip-host 111::1

[DeviceB-security-policy-ipv6-1-ipseclocalout] action pass

[DeviceB-security-policy-ipv6-1-ipseclocalout] quit

# 配置名稱為ipseclocalin的安全策略規則，使Device B可以接收和處理來自Device A的IPsec隧道協商報文，具體配置步驟如下。

[DeviceB-security-policy-ipv6] rule name ipseclocalin

[DeviceB-security-policy-ipv6-2-ipseclocalin] source-zone untrust

[DeviceB-security-policy-ipv6-2-ipseclocalin] destination-zone local

[DeviceB-security-policy-ipv6-2-ipseclocalin] source-ip-host 111::1

[DeviceB-security-policy-ipv6-2-ipseclocalin] destination-ip-host 222::1

[DeviceB-security-policy-ipv6-2-ipseclocalin] action pass

[DeviceA-security-policy-ipv6-2-ipseclocalin] quit

b.     配置安全策略放行Host B與Host A之間的流量

# 配置名稱為trust-untrust的安全策略規則，使Host A訪問Host B的報文可通，具體配置步驟如下。

[DeviceB-security-policy-ipv6] rule name trust-untrust

[DeviceB-security-policy-ipv6-3-trust-untrust] source-zone trust

[DeviceB-security-policy-ipv6-3-trust-untrust] destination-zone untrust

[DeviceB-security-policy-ipv6-3-trust-untrust] source-ip-subnet 333::1 64

[DeviceB-security-policy-ipv6-3-trust-untrust] destination-ip-subnet 555::1 64

[DeviceB-security-policy-ipv6-3-trust-untrust] action pass

[DeviceB-security-policy-ipv6-3-trust-untrust] quit

# 配置名稱為untrust-trust的安全策略規則，使Host B訪問Host A的報文可通，具體配置步驟如下。

[DeviceB-security-policy-ipv6] rule name untrust-trust

[DeviceB-security-policy-ipv6-4-untrust-trust] source-zone untrust

[DeviceB-security-policy-ipv6-4-untrust-trust] destination-zone trust

[DeviceB-security-policy-ipv6-4-untrust-trust] source-ip-subnet 555::1 64

[DeviceB-security-policy-ipv6-4-untrust-trust] destination-ip-subnet 333::1 64

[DeviceB-security-policy-ipv6-4-untrust-trust] action pass

[DeviceB-security-policy-ipv6-4-untrust-trust] quit

[DeviceB-security-policy-ipv6] quit

(5)     定義需要保護的數據流

# 配置一個IPv6高級ACL，定義要保護由子網555::/64去往子網333::/64的數據流。

[DeviceB] acl ipv6 advanced 3101

[DeviceB-acl-ipv6-adv-3101] rule permit ipv6 source 555::/64 destination 333::/64

[DeviceB-acl-ipv6-adv-3101] quit

(6)     配置IPsec安全提議，協商封裝報文使用的各種安全協議

# 創建IPsec安全提議，兩端配置的安全提議參數需要完全相同，具體配置步驟如下。

[DeviceB] ipsec transform-set tran1

[DeviceB-ipsec-transform-set-tran1] encapsulation-mode tunnel

[DeviceB-ipsec-transform-set-tran1] protocol esp

[DeviceB-ipsec-transform-set-tran1] esp encryption-algorithm aes-cbc-128

[DeviceB-ipsec-transform-set-tran1] esp authentication-algorithm sha1

[DeviceB-ipsec-transform-set-tran1] quit

(7)     配置IKE keychain，約定通信雙方使用的密鑰信息

# 創建並配置IKE keychain，協商雙方配置的預共享密鑰必須完全相同，具體配置步驟如下。

[DeviceB] ike keychain keychain1

[DeviceB-ike-keychain-keychain1] pre-shared-key address ipv6 111::1 64 key simple 123456TESTplat&!

[DeviceB-ike-keychain-keychain1] quit

(8)     配置IKE profile，約定建立IKE SA所需的安全參數

[DeviceB] ike profile profile1

[DeviceB-ike-profile-profile1] keychain keychain1

[DeviceB-ike-profile-profile1] match remote identity address ipv6 111::1 64

[DeviceB-ike-profile-profile1] quit

(9)     配置IPsec安全策略，建立IPsec隧道，保護需要防護的數據流

# 創建一條IKE協商方式的IPsec安全策略，引用需要保護數據流的ACL和所需的IPsec安全提議，指定本端和對端的IP地址，引用IKE profile，具體配置步驟如下。

[DeviceB] ipsec ipv6-policy use1 10 isakmp

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] security acl ipv6 3101

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] transform-set tran1

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] local-address ipv6 222::1

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] remote-address ipv6 111::1

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] ike-profile profile1

[DeviceB-ipsec-ipv6-policy-isakmp-use1-10] quit

(10)     在接口上應用IPsec安全策略，對接口上的流量進行保護

# 在接口GigabitEthernet1/0/2上應用IPsec安全策略，具體配置步驟如下。

[DeviceB] interface gigabitethernet 1/0/2

[DeviceB-GigabitEthernet1/0/2] ipsec apply ipv6-policy use1

[DeviceB-GigabitEthernet1/0/2] quit

5. 驗證配置

# 以上配置完成後，當Device A和Device B之間有子網333::/64與子網555::/64之間的報文通過時，將觸發IKE進行IPsec SA的協商。IKE成功協商出IPsec SA後，子網333::/64與子網555::/64之間數據流的傳輸將受到IPsec SA的保護。可通過以下顯示查看到協商生成的IPsec SA。

[DeviceA] display ipsec sa

-------------------------------

Interface: GigabitEthernet1/0/2

-------------------------------

  -----------------------------

  IPsec policy: map1

  Sequence number: 10

  Mode: ISAKMP

  -----------------------------

    Tunnel id: 0

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Transmitting entity: Initiator

    Path MTU: 1423

    Tunnel:

        local  address: 111::1

        remote address: 222::1

    Flow:

    sour addr: 111::1/0      port: 0  protocol: ipv6

    dest addr: 222::1/0      port: 0  protocol: ipv6

    [Inbound ESP SAs]

      SPI: 3769702703 (0xe0b1192f)

      Connection ID: 1

      Transform set: ESP-ENCRYPT-AES-CBC-128 ESP-AUTH-SHA1

      SA duration (kilobytes/sec): 3000/28800

      SA remaining duration (kilobytes/sec): 2300/797

      Max received sequence-number: 1

      Anti-replay check enable: N

      Anti-replay window size:

      UDP encapsulation used for NAT traversal: N

      Status: Active

    [Outbound ESP SAs]

      SPI: 3840956402 (0xe4f057f2)

      Connection ID: 2

      Transform set: ESP-ENCRYPT-AES-CBC-128 ESP-AUTH-SHA1

      SA duration (kilobytes/sec): 3000/28800

      SA remaining duration (kilobytes/sec): 2312/797

      Max sent sequence-number: 1

      UDP encapsulation used for NAT traversal: N

      Status: Active

# Device B上也會產生相應的IPsec SA來保護IPv6報文，查看方式與Device A同，此處略。