配置IPSec路由器到路由器的中心輻射點以及輻射點之間的通訊

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已更新: 2007 年 1 月 18 日
文件 ID:7912

無偏見用語

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關於此翻譯

思科已使用電腦和人工技術翻譯本文件，讓全世界的使用者能夠以自己的語言理解支援內容。請注意，即使是最佳機器翻譯，也不如專業譯者翻譯的內容準確。Cisco Systems, Inc. 對這些翻譯的準確度概不負責，並建議一律查看原始英文文件（提供連結）。

簡介

此示例配置顯示了三台路由器之間的集中星型IPsec設計。此配置與其他中心輻射型配置不同，因為在本示例中，通過中心輻射型站點啟用通訊。換句話說，兩個分支路由器之間沒有直接IPsec隧道。所有資料包都通過隧道傳送到中心路由器，中心路由器通過與其他分支路由器共用的IPsec隧道將其重新分發。解決思科錯誤ID CSCdp09904(僅限註冊客戶)後，才可能進行此設定。 此修復程式已整合到Cisco IOS®軟體版本12.2(5)中，並且此版本是此配置的最低要求。

要使用OSPF配置通過IPSec的通用路由封裝(GRE)隧道，請參閱使用OSPF配置IPSec上的GRE隧道。

要在使用網路地址轉換(NAT)的GRE通道上配置基本Cisco IOS®防火牆配置，請參閱使用IOS防火牆和NAT在GRE通道上配置路由器到路由器IPSec（預共用金鑰）。

必要條件

需求

本文檔需要對IPsec協定有基本的瞭解。請參閱IP安全(IPSec)加密簡介以瞭解有關IPsec的詳細資訊。

本文的目標是確保在以下路由器之間執行加密：

  • 172.16.1.0/24（分支1）到10.1.1.0/24（中心）

  • 192.168.1.0/24（分支2）到10.1.1.0/24（中心）

  • 172.16.1.0/24（分支1）至192.168.1.0/24（分支2）

採用元件

本文件中的資訊是以下列軟體和硬體版本為依據.

  • Cisco IOS軟體版本12.2(24a)(c2500-ik8s-l.122-24a.bin)

  • Cisco 2500路由器

本文中的資訊是根據特定實驗室環境內的裝置所建立。文中使用到的所有裝置皆從已清除（預設）的組態來啟動。如果您的網路正在作用，請確保您已瞭解任何指令可能造成的影響。

慣例

如需文件慣例的詳細資訊，請參閱思科技術提示慣例。

設定

本節提供用於設定本文件中所述功能的資訊。

註：使用Command Lookup Tool(僅限註冊客戶)查詢有關本文檔中使用的命令的更多資訊。

網路圖表

本檔案會使用下圖中所示的網路設定。

VPNL2L.gif

注意：此配置中使用的IP編址方案在Internet上不能合法路由。它們是RFC 1918 leavingcisco.com ，已在實驗室環境中使用。

組態

本檔案會使用這些設定。

show running-config命令會顯示路由器上的運行配置。

集線器路由器 
Hub#show running-config
Building configuration...
Current configuration : 1466 bytes
!
version 12.2

service timestamps debug datetime msec
service timestamps log uptime
no service password-encryption
!
hostname Hub
!


!
ip subnet-zero
!

!

!--- Configuration for IKE policies.

crypto isakmp policy 10

!--- Enables the IKE policy configuration (config-isakmp) !--- command mode, where you can specify the parameters that !--- are used during an IKE negotiation.

hash md5
authentication pre-share
crypto isakmp key cisco123 address 10.1.2.1
crypto isakmp key cisco123 address 10.1.3.1

!--- Specifies the preshared key "cisco123" which should !--- be identical at both peers. This is a global !--- configuration mode command.

 
!

!--- Configuration for IPsec policies.

crypto ipsec transform-set myset esp-des esp-md5-hmac 

!--- Enables the crypto transform configuration mode, !--- where you can specify the transform sets that are used !--- during an IPsec negotiation. 

!
crypto map mymap 10 ipsec-isakmp 

!--- Indicates that IKE is used to establish !--- the IPsec security association for protecting the !--- traffic specified by this crypto map entry.

set peer 10.1.2.1

!--- Sets the IP address of the remote end.

set transform-set myset 

!--- Configures IPsec to use the transform-set !--- "myset" defined earlier in this configuration.

match address 110

!--- Specifies the traffic to be encrypted.

crypto map mymap 20 ipsec-isakmp 
set peer 10.1.3.1
set transform-set myset 
match address 120
!
!
!
!
interface Ethernet0
ip address 10.1.1.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.4.1 255.255.255.0
no ip route-cache

!--- You must enable process switching for IPsec !--- to encrypt outgoing packets. This command disables fast switching.

no ip mroute-cache
crypto map mymap

!--- Configures the interface to use the !--- crypto map "mymap" for IPsec.

!


!--- Output suppressed.

ip classless
ip route 172.16.1.0 255.255.255.0 Ethernet1
ip route 192.168.1.0 255.255.255.0 Ethernet1
ip route 10.1.0.0 255.255.0.0 Ethernet1
ip http server

!
access-list 110 permit ip 10.1.1.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 110 permit ip 192.168.1.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 120 permit ip 10.1.1.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 120 permit ip 172.16.1.0 0.0.0.255 192.168.1.0 0.0.0.255

!--- This crypto ACL-permit identifies the !--- matching traffic flows to be protected via encryption.

分支1路由器 
Spoke1#show running-config
Building configuration...
Current configuration : 1203 bytes
!
version 12.2

service timestamps debug datetime msec
service timestamps log uptime
no service password-encryption
!
hostname Spoke1
!
enable secret 5 $1$DOX3$rIrxEnTVTw/7LNbxi.akz0

!
ip subnet-zero
no ip domain-lookup
!

!
crypto isakmp policy 10
hash md5
authentication pre-share
crypto isakmp key cisco123 address 10.1.4.1
! 
!
crypto ipsec transform-set myset esp-des esp-md5-hmac 
!
crypto map mymap 10 ipsec-isakmp 
set peer 10.1.4.1
set transform-set myset 
match address 110
!
!
!
!
interface Ethernet0
ip address 172.16.1.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.2.1 255.255.255.0
no ip route-cache
no ip mroute-cache
crypto map mymap
!

.
.

!--- Output suppressed.

.
.
ip classless

ip route 192.168.1.0 255.255.255.0 Ethernet1
ip route 10.1.0.0 255.255.0.0 Ethernet1
no ip http server

!
access-list 110 permit ip 172.16.1.0 0.0.0.255 10.1.1.0 0.0.0.255
access-list 110 permit ip 172.16.1.0 0.0.0.255 192.168.1.0 0.0.0.255
!

end
2509a#

分支2路由器 
Spoke2#show running-config
Building configuration...
Current configuration : 1117 bytes
!
version 12.2

service timestamps debug datetime msec
service timestamps log uptime
service password-encryption
!
hostname Spoke2
!

!
ip subnet-zero
no ip domain-lookup
!

!
crypto isakmp policy 10
hash md5
authentication pre-share
crypto isakmp key cisco123 address 10.1.4.1
!
! 
crypto ipsec transform-set myset esp-des esp-md5-hmac 
!
crypto map mymap 10 ipsec-isakmp 
set peer 10.1.4.1
set transform-set myset 
match address 120
!
!
!
!
interface Ethernet0
ip address 192.168.1.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.3.1 255.255.255.0

!--- No ip route-cache.

no ip mroute-cache
crypto map mymap
!

.
.

!--- Output suppressed.

.
.
ip classless

ip route 172.16.0.0 255.255.0.0 Ethernet1
ip route 10.1.0.0 255.255.0.0 Ethernet1
no ip http server

!
access-list 120 permit ip 192.168.1.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 120 permit ip 192.168.1.0 0.0.0.255 10.1.1.0 0.0.0.255
!

end
VPN2509#

新增另一個分支

除了分支1和spoke2之外，如果您需要將另一個分支路由器(spoke3)新增到現有的中心路由器，則只需建立一個從中心路由器到分支3的新LAN到LAN(L2L)隧道。但是，由於每個物理介面只能配置一個加密對映，因此新增此隧道時必須使用相同的加密對映名稱。當您對每個遠端站點使用不同的行號時，這是可能的。

注意：新增新通道條目時，可能需要刪除加密對映並重新應用到介面。刪除密碼編譯對應後，所有活動的通道都會被清除。

集線器路由器 
Hub#show running-config
Building configuration...
Current configuration : 1466 bytes
!
version 12.2

service timestamps debug datetime msec
service timestamps log uptime
no service password-encryption
!
hostname Hub
!


!
ip subnet-zero
!

!
crypto isakmp policy 10

hash md5
authentication pre-share
crypto isakmp key cisco123 address 10.1.2.1
crypto isakmp key cisco123 address 10.1.3.1
crypto isakmp key cisco123 address 10.1.5.1
!

crypto ipsec transform-set myset esp-des esp-md5-hmac 
!
crypto map mymap 10 ipsec-isakmp 
set peer 10.1.2.1
set transform-set myset
match address 110

crypto map mymap 20 ipsec-isakmp 
set peer 10.1.3.1
set transform-set myset 
match address 120


!--- It is important to specify crypto map line number 30 for !--- the Spoke 3 router with the same crypto map name "mymap" 

crypto map mymap 30 ipsec-isakmp 
set peer 10.1.5.1
set transform-set myset 
match address 130
!
!
!
!
interface Ethernet0
ip address 10.1.1.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.4.1 255.255.255.0
no ip route-cache
no ip mroute-cache


!--- It is important to remove and re-apply the crypto !--- map to this interface if it is used for the termination of other !--- spoke VPN tunnels.


crypto map mymap
!


!--- Output suppressed.

ip classless
ip route 172.16.1.0 255.255.255.0 Ethernet1
ip route 192.168.1.0 255.255.255.0 Ethernet1
ip route 10.1.0.0 255.255.0.0 Ethernet1
ip route 172.16.2.0 255.255.255.0 Ethernet1
ip http server

!
access-list 110 permit ip 10.1.1.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 110 permit ip 192.168.1.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 110 permit ip 172.16.2.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 120 permit ip 10.1.1.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 120 permit ip 172.16.2.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 120 permit ip 172.16.1.0 0.0.0.255 192.168.1.0 0.0.0.255
access-list 130 permit ip 10.1.1.0 0.0.0.255 172.16.2.0 0.0.0.255
access-list 130 permit ip 192.168.1.0 0.0.0.255 172.16.2.0 0.0.0.255
access-list 130 permit ip 172.16.1.0 0.0.0.255 172.16.2.0 0.0.0.255

分支3路由器 
Spoke3#show running-config
Building configuration...
Current configuration : 1117 bytes
!
version 12.2

service timestamps debug datetime msec
service timestamps log uptime
service password-encryption
!
hostname Spoke3
!

!
ip subnet-zero
no ip domain-lookup
!

!
crypto isakmp policy 10
hash md5
authentication pre-share
crypto isakmp key cisco123 address 10.1.4.1
!
! 
crypto ipsec transform-set myset esp-des esp-md5-hmac 
!
crypto map mymap 10 ipsec-isakmp 
set peer 10.1.4.1
set transform-set myset 
match address 130
!
!
!
!
interface Ethernet0
ip address 172.16.2.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.5.1 255.255.255.0
no ip mroute-cache
crypto map mymap
!

.
.

!--- Output suppressed.

.
.
ip classless

ip route 172.16.0.0 255.255.0.0 Ethernet1
ip route 10.1.0.0 255.255.0.0 Ethernet1
no ip http server

!
access-list 130 permit ip 172.168.2.0 0.0.0.255 172.16.1.0 0.0.0.255
access-list 130 permit ip 172.168.2.0 0.0.0.255 10.1.1.0 0.0.0.255
access-list 130 permit ip 172.168.2.0 0.0.0.255 192.168.1.0 0.0.0.255
!

end
VPN2509#

驗證

使用本節內容，確認您的組態是否正常運作。

輸出直譯器工具(僅供已註冊客戶使用)(OIT)支援某些show命令。使用OIT檢視show命令輸出的分析。

若要驗證此組態，請嘗試使用源自分支1上的ethernet1介面位址（目的地為分支2的ethernet1介面位址）的延伸型ping命令。

  • ping — 用於診斷基本網路連線。 

    Spoke1#ping
Protocol [ip]:
Target IP address: 192.168.1.1
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 172.16.1.1
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 64/64/68 ms

  • show crypto ipsec sa — 顯示當前(IPSec)安全關聯(SA)使用的設定。

  • show crypto isakmp sa — 顯示對等體上的所有當前IKE SA。

  • show crypto engine connections active — 顯示通過每個IPSec SA傳輸的資料包數。

show輸出示例

此輸出來自在集線器路由器上發出的show crypto engine connections active命令。 

Hub#show crypto engine connections active

ID Interface IP-Address State Algorithm Encrypt Decrypt
5 Ethernet0 10.1.4.1 set HMAC_MD5+DES_56_CB 0 0
6 <none> <none>  set HMAC_MD5+DES_56_CB 0 0
2000 Ethernet0 10.1.4.1 set HMAC_MD5+DES_56_CB 0 10
2001 Ethernet0 10.1.4.1 set HMAC_MD5+DES_56_CB 10 0
2002 Ethernet0 10.1.4.1 set HMAC_MD5+DES_56_CB 0 10
2003 Ethernet0 10.1.4.1 set HMAC_MD5+DES_56_CB 10 0

在此範例中，您可以看到每個通道已加密和解密10個封包，這證明流量通過集線器路由器。

注意：為每個對等體建立兩個IPsec SA（每個方向一個）。 例如，在中心路由器中，為兩個對等體建立了四個IPsec SA。

疑難排解

本節提供的資訊可用於對組態進行疑難排解。

疑難排解指令

附註：使用 debug 指令之前，請先參閱有關 Debug 指令的重要資訊。

調試輸出示例

這是debug crypto ipsec和debug crypto isakmp命令的中心路由器輸出。 

*Mar  1 00:03:46.887: ISAKMP (0:0): received packet 
  from 10.1.2.1 (N) NEW SA
*Mar  1 00:03:46.887: ISAKMP: local port 500, remote port 500
*Mar  1 00:03:46.899: ISAKMP (0:1): processing SA payload. message ID = 0
*Mar  1 00:03:46.899: ISAKMP (0:1): found peer pre-shared key matching 10.1.2.1
*Mar  1 00:03:46.903: ISAKMP (0:1): Checking ISAKMP transform 1 against priority
 10 policy
*Mar  1 00:03:46.903: ISAKMP:      encryption DES-CBC
*Mar  1 00:03:46.907: ISAKMP:      hash MD5
*Mar  1 00:03:46.907: ISAKMP:      default group 1
*Mar  1 00:03:46.911: ISAKMP:      auth pre-share
*Mar  1 00:03:46.911: ISAKMP:      life type in seconds
*Mar  1 00:03:46.911: ISAKMP:      life duration (VPI) of  0x0 0x1 0x51 0x80
*Mar  1 00:03:46.915: ISAKMP (0:1): atts are acceptable. Next payload is 0

!--- The initial IKE parameters have been !--- successfully exchanged between Spoke 1 and Hub.

*Mar  1 00:03:48.367: ISAKMP (0:1): SA is doing pre-shared key 
authentication using id type ID_IPV4_ADDR
*Mar  1 00:03:48.371: ISAKMP (0:1): sending packet to 10.1.2.1 (R) MM_SA_SETUP
*Mar  1 00:03:56.895: ISAKMP (0:1): received packet from 10.1.2.1 (R) MM_SA_SETUP
*Mar  1 00:03:56.899: ISAKMP (0:1): phase 1 packet is a duplicate of a previous packet.
*Mar  1 00:03:56.899: ISAKMP (0:1): retransmitting due to retransmit phase 1
*Mar  1 00:03:56.903: ISAKMP (0:1): retransmitting phase 1 MM_SA_SETUP...
*Mar  1 00:03:57.403: ISAKMP (0:1): retransmitting phase 1 MM_SA_SETUP...
*Mar  1 00:03:57.403: ISAKMP (0:1): incrementing error counter on sa: 
retransmit phase 1
*Mar  1 00:03:57.407: ISAKMP (0:1): retransmitting phase 1 MM_SA_SETUP
*Mar  1 00:03:57.407: ISAKMP (0:1): sending packet to 10.1.2.1 (R) 
 MM_SA_SETUP
*Mar  1 00:03:58.923: ISAKMP (0:1): received packet from 10.1.2.1 
 (R) MM_SA_SET UP
*Mar  1 00:03:58.931: ISAKMP (0:1): processing KE payload. message ID = 0
*Mar  1 00:04:00.775: ISAKMP (0:1): processing NONCE payload. message ID = 0
*Mar  1 00:04:00.783: ISAKMP (0:1): found peer pre-shared key matching 10.1.2.1
*Mar  1 00:04:00.795: ISAKMP (0:1): SKEYID state generated
*Mar  1 00:04:00.799: ISAKMP (0:1): processing vendor id payload
*Mar  1 00:04:00.803: ISAKMP (0:1): speaking to another IOS box!
*Mar  1 00:04:00.811: ISAKMP (0:1): sending packet to 10.1.2.1 (R) MM_KEY_EXCH
*Mar  1 00:04:02.751: ISAKMP (0:1): received packet from 10.1.2.1 (R) MM_KEY_EXCH
*Mar  1 00:04:02.759: ISAKMP (0:1): processing ID payload. message ID = 0
*Mar  1 00:04:02.759: ISAKMP (0:1): processing HASH payload. message ID = 0
*Mar  1 00:04:02.767: ISAKMP (0:1): SA has been authenticated with 10.1.2.1
*Mar  1 00:04:02.771: ISAKMP (1): ID payload
        next-payload : 8
        type         : 1
        protocol     : 17
        port         : 500
        length       : 8
*Mar  1 00:04:02.775: ISAKMP (1): Total payload length: 12
*Mar  1 00:04:02.783: ISAKMP (0:1): sending packet to 10.1.2.1 (R) QM_IDLE

*Mar  1 00:04:02.871: ISAKMP (0:1): received packet from 10.1.2.1 
 (R) QM_IDLE

!--- IKE phase 1 SA has been sucessfully negotiated !--- between Spoke 1 and Hub.

*Mar  1 00:04:02.891: ISAKMP (0:1): processing HASH payload. message ID = 581713929
*Mar  1 00:04:02.891: ISAKMP (0:1): processing SA payload. message ID = 581713929
*Mar  1 00:04:02.895: ISAKMP (0:1): Checking IPSec proposal 1

!--- IKE exchanges IPsec phase 2 parameters !--- between Spoke 1 and Hub.

*Mar  1 00:04:02.895: ISAKMP: transform 1, ESP_DES
*Mar  1 00:04:02.899: ISAKMP:   attributes in transform:
*Mar  1 00:04:02.899: ISAKMP:      encaps is 1
*Mar  1 00:04:02.899: ISAKMP:      SA life type in seconds
*Mar  1 00:04:02.903: ISAKMP:      SA life duration (basic) of 3600
*Mar  1 00:04:02.903: ISAKMP:      SA life type in kilobytes
*Mar  1 00:04:02.907: ISAKMP:      SA life duration (VPI) of  0x0 0x46 0x50 0x0
*Mar  1 00:04:02.911: ISAKMP:      authenticator is HMAC-MD5
*Mar  1 00:04:02.915: ISAKMP (0:1): atts are acceptable.

!--- IPsec phase 2 parameters have been !--- successfully exchanged between Spoke 1 and Hub.

*Mar  1 00:04:02.915: IPSEC(validate_proposal_request): proposal part #1,
  (key eng. msg.) INBOUND local= 10.1.4.1, remote= 10.1.2.1,
    local_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 0s and 0kb,
    spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x4
*Mar  1 00:04:02.931: ISAKMP (0:1): processing NONCE payload. message ID = 581713929
*Mar  1 00:04:02.935: ISAKMP (0:1): processing ID payload. message ID = 581713929
*Mar  1 00:04:02.935: ISAKMP (0:1): processing ID payload. message ID = 581713929
*Mar  1 00:04:02.939: ISAKMP (0:1): asking for 1 spis from ipsec
*Mar  1 00:04:02.943: IPSEC(key_engine): got a queue event...
*Mar  1 00:04:02.951: IPSEC(spi_response): getting spi 4208568169 for SA
        from 10.1.4.1       to 10.1.2.1       for prot 3
*Mar  1 00:04:02.955: ISAKMP: received ke message (2/1)
*Mar  1 00:04:03.207: ISAKMP (0:1): sending packet to 10.1.2.1 (R) QM_IDLE

*Mar  1 00:04:03.351: ISAKMP (0:1): received packet from 10.1.2.1 (R) QM_IDLE

*Mar  1 00:04:03.387: ISAKMP (0:1): Creating IPSec SAs
*Mar  1 00:04:03.387:         inbound SA from 10.1.2.1 to 10.1.4.1
        (proxy 172.16.1.0 to 192.168.1.0)
*Mar  1 00:04:03.391:         has spi 0xFAD9A769 and conn_id 2000 and flags 4
*Mar  1 00:04:03.395:         lifetime of 3600 seconds
*Mar  1 00:04:03.395:         lifetime of 4608000 kilobytes
*Mar  1 00:04:03.399:         outbound SA from 10.1.4.1       to 10.1.2.1
  (proxy 192.168.1.0     to 172.16.1.0     )
*Mar  1 00:04:03.403:         has spi -732960388 and conn_id 2001 and flags C
*Mar  1 00:04:03.407:         lifetime of 3600 seconds
*Mar  1 00:04:03.407:         lifetime of 4608000 kilobytes
*Mar  1 00:04:03.411: ISAKMP (0:1): deleting node 581713929 error FALSE reason "
quick mode done (await()"
*Mar  1 00:04:03.415: IPSEC(key_engine): got a queue event...
*Mar  1 00:04:03.415: IPSEC(initialize_sas): ,
  (key eng. msg.) INBOUND local= 10.1.4.1, remote= 10.1.2.1,
    local_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xFAD9A769(4208568169), conn_id= 2000, keysize= 0, flags= 0x4
*Mar  1 00:04:03.427: IPSEC(initialize_sas): ,
  (key eng. msg.) OUTBOUND local= 10.1.4.1, remote= 10.1.2.1,
    local_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xD44FE97C(3562006908), conn_id= 2001, keysize= 0, flags= 0xC
*Mar  1 00:04:03.443: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.4.1, sa_prot= 50,
    sa_spi= 0xFAD9A769(4208568169),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2000
*Mar  1 00:04:03.447: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.2.1, sa_prot= 50,
    sa_spi= 0xD44FE97C(3562006908),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2001

!--- IPsec tunnel has been created between !--- routers Spoke 1 and Hub.

*Mar  1 00:05:02.387: IPSEC(sa_request): ,

!--- Since an IPsec tunnel is created between Spoke 1 !--- and Spoke 2 through the Hub, the Hub router !--- initializes a new IPsec tunnel between itself and Spoke 2.

  (key eng. msg.) OUTBOUND local= 10.1.4.1, remote= 10.1.3.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0x1B7A414E(460996942), conn_id= 0, keysize= 0, flags= 0x400C
*Mar  1 00:05:02.399: ISAKMP: received ke message (1/1)
*Mar  1 00:05:02.403: ISAKMP: local port 500, remote port 500
*Mar  1 00:05:02.411: ISAKMP (0:2): beginning Main Mode exchange
*Mar  1 00:05:02.415: ISAKMP (0:2): sending packet to 10.1.3.1 
 (I) MM_NO_STATE
*Mar  1 00:05:12.419: ISAKMP (0:2): retransmitting phase 1 MM_NO_STATE...
*Mar  1 00:05:12.419: ISAKMP (0:2): incrementing error counter 
 on sa: retransmit phase 1
*Mar  1 00:05:12.423: ISAKMP (0:2): retransmitting phase 1 MM_NO_STATE
*Mar  1 00:05:12.423: ISAKMP (0:2): sending packet to 10.1.3.1 (I) 
 MM_NO_STATE
*Mar  1 00:05:22.427: ISAKMP (0:2): retransmitting phase 1 MM_NO_STATE...
*Mar  1 00:05:22.427: ISAKMP (0:2): incrementing error counter on sa: 
 retransmit phase 1
*Mar  1 00:05:22.431: ISAKMP (0:2): retransmitting phase 1 MM_NO_STATE
*Mar  1 00:05:22.431: ISAKMP (0:2): sending packet to 10.1.3.1 (I) 
 MM_NO_STATE
*Mar  1 00:05:22.967: ISAKMP (0:2): received packet from 10.1.3.1 
 (I) MM_NO_STATE
*Mar  1 00:05:22.975: ISAKMP (0:2): processing SA payload. message ID = 0
*Mar  1 00:05:22.975: ISAKMP (0:2): found peer pre-shared key 
 matching 10.1.3.1
*Mar  1 00:05:22.979: ISAKMP (0:2): Checking ISAKMP transform 1 
 against priority 10 policy
*Mar  1 00:05:22.979: ISAKMP:      encryption DES-CBC
*Mar  1 00:05:22.983: ISAKMP:      hash MD5
*Mar  1 00:05:22.983: ISAKMP:      default group 1
*Mar  1 00:05:22.987: ISAKMP:      auth pre-share
*Mar  1 00:05:22.987: ISAKMP:      life type in seconds
*Mar  1 00:05:22.987: ISAKMP:      life duration (VPI) of  0x0 0x1 0x51 0x80
*Mar  1 00:05:22.991: ISAKMP (0:2): atts are acceptable. 
 Next payload is 0

!--- IKE phase 1 parameters have been successfully !--- exchanged between Hub and Spoke 2.

*Mar  1 00:05:24.447: ISAKMP (0:2): SA is doing pre-shared key 
 authentication using id type ID_IPV4_ADDR
*Mar  1 00:05:24.455: ISAKMP (0:2): sending packet to 10.1.3.1 
 (I) MM_SA_SETUP
*Mar  1 00:05:26.463: ISAKMP (0:2): received packet from 10.1.3.1 
 (I) MM_SA_SETUP
*Mar  1 00:05:26.471: ISAKMP (0:2): processing KE payload. message ID = 0
*Mar  1 00:05:28.303: ISAKMP (0:2): processing NONCE payload. message ID = 0
*Mar  1 00:05:28.307: ISAKMP (0:2): found peer pre-shared key matching 10.1.3.1
*Mar  1 00:05:28.319: ISAKMP (0:2): SKEYID state generated
*Mar  1 00:05:28.323: ISAKMP (0:2): processing vendor id payload
*Mar  1 00:05:28.327: ISAKMP (0:2): speaking to another IOS box!
*Mar  1 00:05:28.331: ISAKMP (2): ID payload
        next-payload : 8
        type         : 1
        protocol     : 17
        port         : 500
        length       : 8
*Mar  1 00:05:28.335: ISAKMP (2): Total payload length: 12
*Mar  1 00:05:28.343: ISAKMP (0:2): sending packet to 10.1.3.1 (I) 
 MM_KEY_EXCH
*Mar  1 00:05:28.399: ISAKMP (0:2): received packet from 10.1.3.1 (I) 
 MM_KEY_EXCH
*Mar  1 00:05:28.407: ISAKMP (0:2): processing ID payload. message ID = 0
*Mar  1 00:05:28.411: ISAKMP (0:2): processing HASH payload. message ID = 0
*Mar  1 00:05:28.419: ISAKMP (0:2): SA has been authenticated with 10.1.3.1
*Mar  1 00:05:28.419: ISAKMP (0:2): beginning Quick Mode exchange, 
 M-ID of -1872859789
*Mar  1 00:05:28.439: ISAKMP (0:2): sending packet to 10.1.3.1 (I) QM_IDLE

*Mar  1 00:05:28.799: ISAKMP (0:2): received packet from 10.1.3.1 
(I) QM_IDLE

!--- The IKE phase 1 SA has been successfully !--- negotiated between Hub and Spoke 2.

*Mar  1 00:05:28.815: ISAKMP (0:2): processing HASH payload. 
 message ID = -1872859789
*Mar  1 00:05:28.815: ISAKMP (0:2): processing SA payload. 
 message ID = -1872859789
*Mar  1 00:05:28.819: ISAKMP (0:2): Checking IPSec proposal 1

!--- IKE exchanges IPsec phase 2 parameters !--- between Hub and Spoke 2.

*Mar  1 00:05:28.819: ISAKMP: transform 1, ESP_DES
*Mar  1 00:05:28.823: ISAKMP:   attributes in transform:
*Mar  1 00:05:28.823: ISAKMP:      encaps is 1
*Mar  1 00:05:28.827: ISAKMP:      SA life type in seconds
*Mar  1 00:05:28.827: ISAKMP:      SA life duration (basic) of 3600
*Mar  1 00:05:28.827: ISAKMP:      SA life type in kilobytes
*Mar  1 00:05:28.831: ISAKMP:      SA life duration (VPI) of  0x0 0x46 0x50 0x0
*Mar  1 00:05:28.835: ISAKMP:      authenticator is HMAC-MD5
*Mar  1 00:05:28.839: ISAKMP (0:2): atts are acceptable.

!--- IPsec phase 2 parameters have been successfully !--- exchanged between Hub and Spoke 2.

*Mar  1 00:05:28.843: IPSEC(validate_proposal_request): proposal part #1,
  (key eng. msg.) INBOUND local= 10.1.4.1, remote= 10.1.3.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 0s and 0kb,
    spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x4
*Mar  1 00:05:28.855: ISAKMP (0:2): processing NONCE payload. 
 message ID = -1872859789
*Mar  1 00:05:28.859: ISAKMP (0:2): processing ID payload. 
 message ID = -1872859789
*Mar  1 00:05:28.863: ISAKMP (0:2): processing ID payload. 
 message ID = -1872859789
*Mar  1 00:05:28.891: ISAKMP (0:2): Creating IPSec SAs
*Mar  1 00:05:28.891:         inbound SA from 10.1.3.1 to 10.1.4.1
        (proxy 192.168.1.0 to 172.16.1.0)
*Mar  1 00:05:28.895:         has spi 0x1B7A414E and conn_id 2002 and flags 4
*Mar  1 00:05:28.899:         lifetime of 3600 seconds
*Mar  1 00:05:28.899:         lifetime of 4608000 kilobytes
*Mar  1 00:05:28.903:         outbound SA from 10.1.4.1       to 10.1.3.1
  (proxy 172.16.1.0      to 192.168.1.0    )
*Mar  1 00:05:28.907:         has spi -385025107 and conn_id 2003 and flags C
*Mar  1 00:05:28.911:         lifetime of 3600 seconds
*Mar  1 00:05:28.911:         lifetime of 4608000 kilobytes
*Mar  1 00:05:28.915: ISAKMP (0:2): sending packet to 10.1.3.1 (I) QM_IDLE

*Mar  1 00:05:28.919: ISAKMP (0:2): deleting node -1872859789 error FALSE reason
 ""
*Mar  1 00:05:28.923: IPSEC(key_engine): got a queue event...
*Mar  1 00:05:28.927: IPSEC(initialize_sas): ,
  (key eng. msg.) INBOUND local= 10.1.4.1, remote= 10.1.3.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0x1B7A414E(460996942), conn_id= 2002, keysize= 0, flags= 0x4
*Mar  1 00:05:28.939: IPSEC(initialize_sas): ,
  (key eng. msg.) OUTBOUND local= 10.1.4.1, remote= 10.1.3.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xE90CFBAD(3909942189), conn_id= 2003, keysize= 0, flags= 0xC
*Mar  1 00:05:28.951: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.4.1, sa_prot= 50,
    sa_spi= 0x1B7A414E(460996942),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2002
*Mar  1 00:05:28.959: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.3.1, sa_prot= 50,
    sa_spi= 0xE90CFBAD(3909942189),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2003

!--- IPsec tunnel has been created between routers !--- Hub and Spoke 2. This establishes a tunnel between Spoke 1 !--- and Spoke 2 through Hub.

這是debug crypto isakmp和debug crypto ipsec命令的Spoke 1路由器輸出。 

*Mar  1 00:03:28.771: IPSEC(sa_request): ,
  (key eng. msg.) OUTBOUND local= 10.1.2.1, remote= 10.1.4.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xD44FE97C(3562006908), conn_id= 0, keysize= 0, flags= 0x400C

!--- Request sent after the ping.

*Mar  1 00:03:28.787: ISAKMP: received ke message (1/1)
*Mar  1 00:03:28.791: ISAKMP: local port 500, remote port 500
*Mar  1 00:03:28.799: ISAKMP (0:1): beginning Main Mode exchange

!--- Initial IKE phase 1 parameters are exchanged !--- between Spoke 1 and Hub.

*Mar  1 00:03:28.803: ISAKMP (0:1): sending packet to 10.1.4.1 
 (I) MM_NO_STATE.
*Mar  1 00:03:38.807: ISAKMP (0:1): retransmitting phase 1 MM_NO_STATE...
*Mar  1 00:03:38.807: ISAKMP (0:1): incrementing error counter 
 on sa: retransmit phase 1
*Mar  1 00:03:38.811: ISAKMP (0:1): retransmitting phase 1 MM_NO_STATE
*Mar  1 00:03:38.811: ISAKMP (0:1): sending packet to 10.1.4.1 
 (I) MM_NO_STATE
*Mar  1 00:03:48.815: ISAKMP (0:1): retransmitting phase 1 MM_NO_STATE...
*Mar  1 00:03:48.815: ISAKMP (0:1): incrementing error counter on 
 sa: retransmit phase 1
*Mar  1 00:03:48.819: ISAKMP (0:1): retransmitting phase 1 MM_NO_STATE
*Mar  1 00:03:48.819: ISAKMP (0:1): sending packet to 10.1.4.1 (I) MM_NO_STATE
*Mar  1 00:03:49.355: ISAKMP (0:1): received packet from 10.1.4.1 
 (I) MM_NO_STATE
*Mar  1 00:03:49.363: ISAKMP (0:1): processing SA payload. message ID = 0
*Mar  1 00:03:49.363: ISAKMP (0:1): found peer pre-shared key matching 
 10.1.4.1
*Mar  1 00:03:49.367: ISAKMP (0:1): Checking ISAKMP transform 1 against 
 priority 10 policy
*Mar  1 00:03:49.367: ISAKMP:      encryption DES-CBC
*Mar  1 00:03:49.371: ISAKMP:      hash MD5
*Mar  1 00:03:49.371: ISAKMP:      default group 1
*Mar  1 00:03:49.375: ISAKMP:      auth pre-share
*Mar  1 00:03:49.375: ISAKMP:      life type in seconds
*Mar  1 00:03:49.375: ISAKMP:      life duration (VPI) of  0x0 0x1 0x51 0x80
*Mar  1 00:03:49.379: ISAKMP (0:1): atts are acceptable. 
 Next payload is 0

!--- IKE phase 1 parameters have been sucessfully !--- negotiated between Spoke 1 and Hub.

*Mar  1 00:03:50.835: ISAKMP (0:1): SA is doing pre-shared key 
 authentication using id type ID_IPV4_ADDR
*Mar  1 00:03:50.851: ISAKMP (0:1): sending packet to 10.1.4.1 
 (I) MM_SA_SETUP
*Mar  1 00:03:52.759: ISAKMP (0:1): received packet from 10.1.4.1 
 (I) MM_SA_SETUP
*Mar  1 00:03:52.763: ISAKMP (0:1): processing KE payload. message ID = 0
*Mar  1 00:03:54.635: ISAKMP (0:1): processing NONCE payload. message ID = 0
*Mar  1 00:03:54.639: ISAKMP (0:1): found peer pre-shared key matching 10.1.4.1
*Mar  1 00:03:54.651: ISAKMP (0:1): SKEYID state generated
*Mar  1 00:03:54.655: ISAKMP (0:1): processing vendor id payload
*Mar  1 00:03:54.663: ISAKMP (0:1): speaking to another IOS box!
*Mar  1 00:03:54.663: ISAKMP (1): ID payload
        next-payload : 8
        type         : 1
        protocol     : 17
        port         : 500
        length       : 8
*Mar  1 00:03:54.667: ISAKMP (1): Total payload length: 12
*Mar  1 00:03:54.675: ISAKMP (0:1): sending packet to 10.1.4.1 
 (I) MM_KEY_EXCH
*Mar  1 00:03:54.759: ISAKMP (0:1): received packet from 10.1.4.1 
 (I) MM_KEY_EXCH
*Mar  1 00:03:54.767: ISAKMP (0:1): processing ID payload. message ID = 0
*Mar  1 00:03:54.767: ISAKMP (0:1): processing HASH payload. message ID = 0
*Mar  1 00:03:54.775: ISAKMP (0:1): SA has been authenticated with 
 10.1.4.1
*Mar  1 00:03:54.779: ISAKMP (0:1): beginning Quick Mode exchange, 
 M-ID of 581713929
*Mar  1 00:03:54.799: ISAKMP (0:1): sending packet to 10.1.4.1 (I) QM_IDLE

*Mar  1 00:03:55.155: ISAKMP (0:1): received packet from 10.1.4.1 (I) QM_IDLE

*Mar  1 00:03:55.171: ISAKMP (0:1): processing HASH payload. 
 message ID = 581713929
*Mar  1 00:03:55.175: ISAKMP (0:1): processing SA payload. 
 message ID = 581713929
*Mar  1 00:03:55.179: ISAKMP (0:1): Checking IPSec proposal 1

!--- IKE exchanges the IPsec phase 2 parameters between !--- Spoke 1 and Hub.

*Mar  1 00:03:55.179: ISAKMP: transform 1, ESP_DES
*Mar  1 00:03:55.183: ISAKMP:   attributes in transform:
*Mar  1 00:03:55.183: ISAKMP:      encaps is 1
*Mar  1 00:03:55.183: ISAKMP:      SA life type in seconds
*Mar  1 00:03:55.187: ISAKMP:      SA life duration (basic) of 3600
*Mar  1 00:03:55.187: ISAKMP:      SA life type in kilobytes
*Mar  1 00:03:55.191: ISAKMP:      SA life duration (VPI) of  0x0 0x46 0x50 0x0
*Mar  1 00:03:55.195: ISAKMP:      authenticator is HMAC-MD5
*Mar  1 00:03:55.199: ISAKMP (0:1): atts are acceptable.

!--- IKE has successfully negotiated phase 2 IPsec !--- SA between Hub and Spoke 2.

*Mar  1 00:03:55.203: IPSEC(validate_proposal_request): proposal part #1,
  (key eng. msg.) INBOUND local= 10.1.2.1, remote= 10.1.4.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 0s and 0kb,
    spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x4
*Mar  1 00:03:55.219: ISAKMP (0:1): processing NONCE payload. 
 message ID = 581713929
*Mar  1 00:03:55.219: ISAKMP (0:1): processing ID payload. 
 message ID = 581713929
*Mar  1 00:03:55.223: ISAKMP (0:1): processing ID payload. 
 message ID = 581713929
*Mar  1 00:03:55.251: ISAKMP (0:1): Creating IPSec SAs
*Mar  1 00:03:55.255:         inbound SA from 10.1.4.1 to 10.1.2.1
        (proxy 192.168.1.0 to 172.16.1.0)
*Mar  1 00:03:55.259:         has spi 0xD44FE97C and conn_id 2000 and flags 4
*Mar  1 00:03:55.263:         lifetime of 3600 seconds
*Mar  1 00:03:55.263:         lifetime of 4608000 kilobytes
*Mar  1 00:03:55.267:         outbound SA from 10.1.2.1       to 10.1.4.1
  (proxy 172.16.1.0      to 192.168.1.0    )
*Mar  1 00:03:55.271:         has spi -86399127 and conn_id 2001 and flags C
*Mar  1 00:03:55.271:         lifetime of 3600 seconds
*Mar  1 00:03:55.275:         lifetime of 4608000 kilobytes
*Mar  1 00:03:55.279: ISAKMP (0:1): sending packet to 10.1.4.1 (I) QM_IDLE

*Mar  1 00:03:55.283: ISAKMP (0:1): deleting node 581713929 error FALSE reason "
"
*Mar  1 00:03:55.287: IPSEC(key_engine): got a queue event...
*Mar  1 00:03:55.291: IPSEC(initialize_sas): ,
  (key eng. msg.) INBOUND local= 10.1.2.1, remote= 10.1.4.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xD44FE97C(3562006908), conn_id= 2000, keysize= 0, flags= 0x4
*Mar  1 00:03:55.303: IPSEC(initialize_sas): ,
  (key eng. msg.) OUTBOUND local= 10.1.2.1, remote= 10.1.4.1,
    local_proxy= 172.16.1.0/255.255.255.0/0/0 (type=4),
    remote_proxy= 192.168.1.0/255.255.255.0/0/0 (type=4),
    protocol= ESP, transform= esp-des esp-md5-hmac ,
    lifedur= 3600s and 4608000kb,
    spi= 0xFAD9A769(4208568169), conn_id= 2001, keysize= 0, flags= 0xC
*Mar  1 00:03:55.319: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.2.1, sa_prot= 50,
    sa_spi= 0xD44FE97C(3562006908),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2000
*Mar  1 00:03:55.323: IPSEC(create_sa): sa created,
  (sa) sa_dest= 10.1.4.1, sa_prot= 50,
    sa_spi= 0xFAD9A769(4208568169),
    sa_trans= esp-des esp-md5-hmac , sa_conn_id= 2001

!--- The IPsec tunnel between Spoke 1 and Hub is set up.

相關資訊

修訂記錄

修訂 發佈日期 意見
1.0
18-Jan-2007
初始版本

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