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F5000 IPSEC配置问题

IPSec VPN

2024-12-05提问

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zhiliao_TOt493

zhiliao_TOt493 四段

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问题描述：

F5000作为总部出口设备，有其他多个分支，每个分支出口为友商路由器，分支出口都有固定公网IP，这种配置下使用ikev1、预共享密钥、隧道模式、主模式需要在F5000上使用哪种配置？官网手册太多场景了，求此场景推荐配置！

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zhiliao_sEUyB

zhiliao_sEUyB 九段

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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A、B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 和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 和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 和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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F5000 IPSEC配置问题

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