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ipsec多分支互访+分支自动触发隧道建立

2020-06-16 发表
  • 2关注
  • 5收藏,372浏览
胡琪 五段
粉丝:1人 关注:1人

组网及说明

1、组网


2、需求

建立ipsec vpn实现各分支和总部之间互通,并且各分支之间也能通过总部访问。总部是固定ip地址,分支IP地址不固定,并且分支AB处无人值守且分支无主动自动访问总部的业务运行,所以为了防止分支设备断电重启后无法主动建立隧道,需要通过NQA来实现设备断电重启后自动触发隧道建立。

配置步骤

3、关键配置

总部:

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 1.1.1.2 255.255.255.252

 nat outbound 3002

 ipsec apply policy test

#

 ip route-static 0.0.0.0 0 1.1.1.1

#

acl advanced 3000

 description toBranchA

 rule 0 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

 rule 5 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

#

acl advanced 3001

 description toBranchB

 rule 0 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

 rule 5 permit ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

#

acl advanced 3002

 description outboundNATDenyFlow

 rule 0 deny ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

 rule 5 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

 rule 10 deny ip source 192.168.1.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

 rule 15 deny ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

 rule 100 permit ip

#

ipsec transform-set 1

 esp encryption-algorithm 3des-cbc

 esp authentication-algorithm md5

#

ipsec policy-template branchA 1

 transform-set 1

 security acl 3000

 ike-profile branchA

#

ipsec policy-template branchB 1

 transform-set 1

 security acl 3001

 ike-profile branchB

#

ipsec policy test 1 isakmp template branchA

#

ipsec policy test 2 isakmp template branchB

#

ike dpd interval 10 on-deman 

#

ike profile branchA

 keychain branchA

 exchange-mode aggressive

 local-identity fqdn headquarters

 match remote identity fqdn branchA

#

ike profile branchB

 keychain branchB

 exchange-mode aggressive

 local-identity fqdn headquarters

 match remote identity fqdn branchB

#

ike proposal 1

 encryption-algorithm 3des-cbc

 authentication-algorithm md5

#

ike keychain branchA

 match local address 1.1.1.2

 pre-shared-key hostname branchA key cipher $c$3$nng95cm/zlG3ghvIRim5saZ3bMEhoJD+Ow==

#

ike keychain branchB

 match local address 1.1.1.2

 pre-shared-key hostname branchB key cipher $c$3$Rl2okdkTYNBEYWd32X25LOWYkYo5YCcrgw==

#

 

分支A

#

nqa entry admin test

 type icmp-echo

  destination ip 192.168.1.1

  frequency 5000

  history-record enable

  history-record number 10

  probe count 10

  probe timeout 500

  source ip 192.168.2.1

#

nqa entry admin test1

 type icmp-echo

  destination ip 192.168.3.1

  frequency 5000

  history-record enable

  history-record number 10

  probe count 10

  probe timeout 500

  source ip 192.168.2.1

#

 nqa schedule admin test start-time now lifetime forever

 nqa schedule admin test1 start-time now lifetime forever

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 2.2.2.2 255.255.255.252

 nat outbound 3001

 ipsec apply policy 1

#

 ip route-static 0.0.0.0 0 2.2.2.1

#

acl advanced 3000

 rule 0 permit ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255

 rule 5 permit ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

#

acl advanced 3001

 rule 0 deny ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255

 rule 5 deny ip source 192.168.2.0 0.0.0.255 destination 192.168.3.0 0.0.0.255

 rule 100 permit ip

#

ipsec transform-set 1

 esp encryption-algorithm 3des-cbc

 esp authentication-algorithm md5

#

ipsec policy 1 1 isakmp

 transform-set 1

 security acl 3000

 remote-address 1.1.1.2

 ike-profile 1

#

ike dpd interval 10 on-demand

#

ike profile 1

 keychain 1

 exchange-mode aggressive

 local-identity fqdn branchA

 match remote identity fqdn headquarters

#

ike proposal 1

 encryption-algorithm 3des-cbc

 authentication-algorithm md5

#

ike keychain 1

 pre-shared-key address 1.1.1.2 255.255.255.0 key cipher $c$3$5QlYyBFEZTju/oTPut9zgP5JNpmVleBIbA==

#

 

分支B

#

nqa entry admin test

 type icmp-echo

  destination ip 192.168.1.1

  frequency 5000

  history-record enable

  history-record number 10

  probe count 10

  probe timeout 500

  source ip 192.168.3.1

#

nqa entry admin test1

 type icmp-echo

  destination ip 192.168.2.1

  frequency 5000

  history-record enable

  history-record number 10

  probe count 10

  probe timeout 500

  source ip 192.168.3.1

#

 nqa schedule admin test start-time now lifetime forever

 nqa schedule admin test1 start-time now lifetime forever

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 3.3.3.2 255.255.255.252

 nat outbound 3001

 ipsec apply policy 1

#

 ip route-static 0.0.0.0 0 3.3.3.1

#

acl advanced 3000

 rule 0 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255

 rule 5 permit ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

#

acl advanced 3001

 rule 0 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.1.0 0.0.0.255

 rule 5 deny ip source 192.168.3.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

 rule 100 permit ip

#

ipsec transform-set 1

 esp encryption-algorithm 3des-cbc

 esp authentication-algorithm md5

#

ipsec policy 1 1 isakmp

 transform-set 1

 security acl 3000

 remote-address 1.1.1.2

 ike-profile 1

#

ike dpd interval 10 on-demand

#

ike profile 1

 keychain 1

 exchange-mode aggressive

 local-identity fqdn branchB

 match remote identity fqdn headquarters

#

ike proposal 1

 encryption-algorithm 3des-cbc

 authentication-algorithm md5

#

ike keychain 1

 pre-shared-key address 1.1.1.2 255.255.255.0 key cipher $c$3$5QlYyBFEZTju/oTPut9zgP5JNpmVleBIbA==

#

4、测试

分支A侧可以ping通总部和分支B


 分支B侧可以ping通总部和分支A


在总部侧查看ike sa ipsec sa

<Headquarters>dis ike sa

    Connection-ID   Remote                Flag         DOI   

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

    1               2.2.2.2               RD           IPsec 

    2               3.3.3.2               RD           IPsec 

Flags:

RD--READY RL--REPLACED FD-FADING RK-REKEY

<Headquarters>dis ipsec sa

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

Interface: GigabitEthernet0/0

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

 

  -----------------------------

  IPsec policy: test

  Sequence number: 1

  Mode: Template

  -----------------------------

    Tunnel id: 0

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 1.1.1.2

        remote address: 2.2.2.2

    Flow:

        sour addr: 192.168.1.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 2857585848 (0xaa534cb8)

      Connection ID: 4294967296

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843148/3404

      Max received sequence-number: 390

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 1462782990 (0x57304c0e)

      Connection ID: 4294967298

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843148/3404

      Max sent sequence-number: 390

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

  -----------------------------

  IPsec policy: test

  Sequence number: 1

  Mode: Template

  -----------------------------

    Tunnel id: 1

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 1.1.1.2

        remote address: 2.2.2.2

    Flow:

        sour addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 1741076224 (0x67c6b700)

      Connection ID: 4294967297

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843095/3404

      Max received sequence-number: 790

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 1031673059 (0x3d7e14e3)

      Connection ID: 4294967299

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843095/3404

      Max sent sequence-number: 790

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

  -----------------------------

  IPsec policy: test

  Sequence number: 2

  Mode: Template

  -----------------------------

    Tunnel id: 2

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 1.1.1.2

        remote address: 3.3.3.2

    Flow:

        sour addr: 192.168.1.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 3005711568 (0xb32784d0)

      Connection ID: 4294967300

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843148/3404

      Max received sequence-number: 390

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 2370986263 (0x8d526117)

      Connection ID: 4294967302

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843148/3404

      Max sent sequence-number: 390

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

  -----------------------------

  IPsec policy: test

  Sequence number: 2

  Mode: Template

  -----------------------------

    Tunnel id: 3

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 1.1.1.2

        remote address: 3.3.3.2

    Flow:

        sour addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 957577755 (0x39137a1b)

      Connection ID: 4294967301

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843095/3404

      Max received sequence-number: 790

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 2955794011 (0xb02dd65b)

      Connection ID: 4294967303

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843095/3404

      Max sent sequence-number: 790

      UDP encapsulation used for NAT traversal: N

      Status: Active

在分支A侧查看ike sa ipsec sa以及NQA相关信息

<branchA>dis ike sa

    Connection-ID   Remote                Flag         DOI   

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

    1               1.1.1.2               RD           IPsec 

Flags:

RD--READY RL--REPLACED FD-FADING RK-REKEY

<branchA>dis ipsec sa

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

Interface: GigabitEthernet0/0

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

 

  -----------------------------

  IPsec policy: 1

  Sequence number: 1

  Mode: ISAKMP

  -----------------------------

    Tunnel id: 1

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 2.2.2.2

        remote address: 1.1.1.2

    Flow:

        sour addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 1031673059 (0x3d7e14e3)

      Connection ID: 4294967296

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843082/3379

      Max received sequence-number: 890

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 1741076224 (0x67c6b700)

      Connection ID: 4294967299

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843082/3379

      Max sent sequence-number: 890

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

  -----------------------------

  IPsec policy: 1

  Sequence number: 1

  Mode: ISAKMP

  -----------------------------

    Tunnel id: 0

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 2.2.2.2

        remote address: 1.1.1.2

    Flow:

        sour addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.1.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 1462782990 (0x57304c0e)

      Connection ID: 4294967297

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843141/3379

      Max received sequence-number: 440

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 2857585848 (0xaa534cb8)

      Connection ID: 4294967298

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843141/3379

      Max sent sequence-number: 440

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

<branchA>dis nqa result

NQA entry (admin admin, tag test) test results:

    Send operation times: 10             Receive response times: 10

    Min/Max/Average round trip time: 1/2/1

    Square-Sum of round trip time: 16

    Last succeeded probe time: 2020-01-01 20:59:48.9

  Extended results:

    Packet loss ratio: 0%

    Failures due to timeout: 0

    Failures due to internal error: 0

    Failures due to other errors: 0

NQA entry (admin admin, tag test1) test results:

    Send operation times: 10             Receive response times: 10

    Min/Max/Average round trip time: 2/7/2

    Square-Sum of round trip time: 85

    Last succeeded probe time: 2020-01-01 20:59:48.9

  Extended results:

    Packet loss ratio: 0%

    Failures due to timeout: 0

    Failures due to internal error: 0

    Failures due to other errors: 0

 

<branchA>dis nqa statistics

NQA entry (admin admin, tag test) test statistics:

  NO. : 1

    Start time: 2020-01-01 20:55:03.8

    Life time: 313 seconds

    Send operation times: 630            Receive response times: 590

    Min/Max/Average round trip time: 1/3/1

    Square-Sum of round trip time: 867

  Extended results:

    Packet loss ratio: 6%

    Failures due to timeout: 0

    Failures due to internal error: 10

    Failures due to other errors: 30

NQA entry (admin admin, tag test1) test statistics:

  NO. : 1

    Start time: 2020-01-01 20:55:03.8

    Life time: 313 seconds

    Send operation times: 630            Receive response times: 590

    Min/Max/Average round trip time: 1/7/1

    Square-Sum of round trip time: 2477

  Extended results:

    Packet loss ratio: 6%

    Failures due to timeout: 0

    Failures due to internal error: 10

    Failures due to other errors: 30

<branchA>dis nqa history

NQA entry (admin admin, tag test) history records:

Index      Response     Status           Time

650        1            Succeeded        2020-01-01 21:00:23.9

649        2            Succeeded        2020-01-01 21:00:23.9

648        1            Succeeded        2020-01-01 21:00:23.9

647        1            Succeeded        2020-01-01 21:00:23.9

646        1            Succeeded        2020-01-01 21:00:23.8

645        1            Succeeded        2020-01-01 21:00:23.8

644        1            Succeeded        2020-01-01 21:00:23.8

643        1            Succeeded        2020-01-01 21:00:23.8

642        1            Succeeded        2020-01-01 21:00:23.8

641        1            Succeeded        2020-01-01 21:00:23.8

NQA entry (admin admin, tag test1) history records:

Index      Response     Status           Time

650        2            Succeeded        2020-01-01 21:00:23.9

649        2            Succeeded        2020-01-01 21:00:23.9

648        2            Succeeded        2020-01-01 21:00:23.9

647        2            Succeeded        2020-01-01 21:00:23.9

646        2            Succeeded        2020-01-01 21:00:23.9

645        2            Succeeded        2020-01-01 21:00:23.9

644        2            Succeeded        2020-01-01 21:00:23.9

643        3            Succeeded        2020-01-01 21:00:23.8

642        1            Succeeded        2020-01-01 21:00:23.8

641        2            Succeeded        2020-01-01 21:00:23.8

 

在分支B侧查看ike sa ipsec sa以及NQA相关信息

<branchB>dis ike sa

    Connection-ID   Remote                Flag         DOI   

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

    1               1.1.1.2               RD           IPsec 

Flags:

RD--READY RL--REPLACED FD-FADING RK-REKEY

<branchB>dis ipsec sa

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

Interface: GigabitEthernet0/0

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

 

  -----------------------------

  IPsec policy: 1

  Sequence number: 1

  Mode: ISAKMP

  -----------------------------

    Tunnel id: 1

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 3.3.3.2

        remote address: 1.1.1.2

    Flow:

        sour addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.2.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 2955794011 (0xb02dd65b)

      Connection ID: 4294967296

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843068/3353

      Max received sequence-number: 990

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 957577755 (0x39137a1b)

      Connection ID: 4294967299

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843068/3353

      Max sent sequence-number: 990

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

  -----------------------------

  IPsec policy: 1

  Sequence number: 1

  Mode: ISAKMP

  -----------------------------

    Tunnel id: 0

    Encapsulation mode: tunnel

    Perfect Forward Secrecy:

    Inside VPN:

    Extended Sequence Numbers enable: N

    Traffic Flow Confidentiality enable: N

    Path MTU: 1444

    Tunnel:

        local  address: 3.3.3.2

        remote address: 1.1.1.2

    Flow:

        sour addr: 192.168.3.0/255.255.255.0  port: 0  protocol: ip

        dest addr: 192.168.1.0/255.255.255.0  port: 0  protocol: ip

 

    [Inbound ESP SAs]

      SPI: 2370986263 (0x8d526117)

      Connection ID: 4294967297

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843134/3353

      Max received sequence-number: 490

      Anti-replay check enable: Y

      Anti-replay window size: 64

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

    [Outbound ESP SAs]

      SPI: 3005711568 (0xb32784d0)

      Connection ID: 4294967298

      Transform set: ESP-ENCRYPT-3DES-CBC ESP-AUTH-MD5

      SA duration (kilobytes/sec): 1843200/3600

      SA remaining duration (kilobytes/sec): 1843134/3353

      Max sent sequence-number: 490

      UDP encapsulation used for NAT traversal: N

      Status: Active

 

<branchB>dis nqa result

NQA entry (admin admin, tag test) test results:

    Send operation times: 10             Receive response times: 10

    Min/Max/Average round trip time: 1/2/1

    Square-Sum of round trip time: 13

    Last succeeded probe time: 2020-01-01 21:00:34.3

  Extended results:

    Packet loss ratio: 0%

    Failures due to timeout: 0

    Failures due to internal error: 0

    Failures due to other errors: 0

NQA entry (admin admin, tag test1) test results:

    Send operation times: 10             Receive response times: 10

    Min/Max/Average round trip time: 1/2/1

    Square-Sum of round trip time: 37

    Last succeeded probe time: 2020-01-01 21:00:34.3

  Extended results:

    Packet loss ratio: 0%

    Failures due to timeout: 0

    Failures due to internal error: 0

    Failures due to other errors: 0

 

<branchB>dis nqa statistics

NQA entry (admin admin, tag test) test statistics:

  NO. : 1

    Start time: 2020-01-01 20:55:09.3

    Life time: 334 seconds

    Send operation times: 670            Receive response times: 640

    Min/Max/Average round trip time: 1/3/1

    Square-Sum of round trip time: 917

  Extended results:

    Packet loss ratio: 4%

    Failures due to timeout: 0

    Failures due to internal error: 10

    Failures due to other errors: 20

NQA entry (admin admin, tag test1) test statistics:

  NO. : 1

    Start time: 2020-01-01 20:55:09.3

    Life time: 334 seconds

    Send operation times: 670            Receive response times: 640

    Min/Max/Average round trip time: 1/4/1

    Square-Sum of round trip time: 2551

  Extended results:

    Packet loss ratio: 4%

    Failures due to timeout: 0

    Failures due to internal error: 10

    Failures due to other errors: 20

 

<branchB>dis nqa history

NQA entry (admin admin, tag test) history records:

Index      Response     Status           Time

690        1            Succeeded        2020-01-01 21:00:49.3

689        2            Succeeded        2020-01-01 21:00:49.3

688        1            Succeeded        2020-01-01 21:00:49.3

687        1            Succeeded        2020-01-01 21:00:49.3

686        1            Succeeded        2020-01-01 21:00:49.3

685        1            Succeeded        2020-01-01 21:00:49.3

684        1            Succeeded        2020-01-01 21:00:49.3

683        1            Succeeded        2020-01-01 21:00:49.3

682        1            Succeeded        2020-01-01 21:00:49.3

681        2            Succeeded        2020-01-01 21:00:49.3

NQA entry (admin admin, tag test1) history records:

Index      Response     Status           Time

690        2            Succeeded        2020-01-01 21:00:49.3

689        2            Succeeded        2020-01-01 21:00:49.3

688        2            Succeeded        2020-01-01 21:00:49.3

687        2            Succeeded        2020-01-01 21:00:49.3

686        2            Succeeded        2020-01-01 21:00:49.3

685        3            Succeeded        2020-01-01 21:00:49.3

684        2            Succeeded        2020-01-01 21:00:49.3

683        1            Succeeded        2020-01-01 21:00:49.3

682        2            Succeeded        2020-01-01 21:00:49.3

681        2            Succeeded        2020-01-01 21:00:49.3

配置关键点

1、各分支通过NQA实现自动和总部建立好ipsec VPN隧道之后,想要实现分支间互访,还需要分支间互相访问一下,这样两个分支上才分别都有到达另外一个分支的ipsec sa,分支间才能互通。所以在两个分支上分贝配置了两个NQA,一个是自动去ping总部,还有另外一个自动去ping对应的分支。

2、为了防止总部重启,分支的无效的ipsec sa没有及时删除,从而导致总部重启之后,业务不通。需要在分支上配置DPD

ike dpd interval 10 on-demand 

实际测试只需要在两个分支上配置即可。

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