ipsec vpn
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问题描述：
做了个实验，用的是野蛮模式，右边分支自动获取地址，第一阶段ike sa有，第二阶段ipsec sa看不到，之前做了很多次，我自认为我的配置没有问题，大佬帮我看看
组网及组网描述：
- 附件下载： 分支.txt 总部.txt
- 2023-02-03提问
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所以，你的配置呢？
- 2023-02-03回答
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发了附件呀
# version 7.1.064, Release 0427P22 # sysname R2 # system-working-mode standard xbar load-single password-recovery enable lpu-type f-series # vlan 1 # interface Serial1/0 # interface Serial2/0 # interface Serial3/0 # interface Serial4/0 # interface NULL0 # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address dhcp-alloc ipsec apply policy 1 # interface GigabitEthernet0/1 port link-mode route combo enable copper # interface GigabitEthernet0/2 port link-mode route combo enable copper # interface GigabitEthernet5/0 port link-mode route combo enable copper # interface GigabitEthernet5/1 port link-mode route combo enable copper # interface GigabitEthernet6/0 port link-mode route combo enable copper # interface GigabitEthernet6/1 port link-mode route combo enable copper # scheduler logfile size 16 # line class aux user-role network-operator # line class console user-role network-admin # line class tty user-role network-operator # line class vty user-role network-operator # line aux 0 user-role network-operator # line con 0 user-role network-admin # line vty 0 63 user-role network-operator # acl advanced 3000 rule 0 permit ip source 20.0.0.0 0.0.0.255 destination 10.0.0.0 0.0.0.255 # domain system # domain default enable system # role name level-0 description Predefined level-0 role # role name level-1 description Predefined level-1 role # role name level-2 description Predefined level-2 role # role name level-3 description Predefined level-3 role # role name level-4 description Predefined level-4 role # role name level-5 description Predefined level-5 role # role name level-6 description Predefined level-6 role # role name level-7 description Predefined level-7 role # role name level-8 description Predefined level-8 role # role name level-9 description Predefined level-9 role # role name level-10 description Predefined level-10 role # role name level-11 description Predefined level-11 role # role name level-12 description Predefined level-12 role # role name level-13 description Predefined level-13 role # role name level-14 description Predefined level-14 role # user-group system # ipsec transform-set 1 esp encryption-algorithm des-cbc esp authentication-algorithm md5 # ipsec policy 1 1 isakmp transform-set 1 security acl 3000 remote-address 10.0.0.1 ike-profile 1 # ike identity fqdn R2 # ike profile 1 keychain 1 exchange-mode aggressive local-identity fqdn R2 match remote identity fqdn R1 proposal 1 # ike proposal 1 # ike keychain 1 pre-shared-key address 10.0.0.1 255.255.255.255 key cipher $c$3$gwtIvSkM9K8BbsyopfIWDI3Rbj2Twg== # return
总部
[R1]display current-configuration
#
version 7.1.064, Release 0427P22
#
sysname R1
#
system-working-mode standard
xbar load-single
password-recovery enable
lpu-type f-series
#
vlan 1
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface GigabitEthernet0/0
port link-mode route
combo enable copper
ip address 10.0.0.1 255.255.255.0
ipsec apply policy 1
#
interface GigabitEthernet0/1
port link-mode route
combo enable copper
#
interface GigabitEthernet0/2
port link-mode route
combo enable copper
#
interface GigabitEthernet5/0
port link-mode route
combo enable copper
#
interface GigabitEthernet5/1
port link-mode route
combo enable copper
#
interface GigabitEthernet6/0
port link-mode route
combo enable copper
#
interface GigabitEthernet6/1
port link-mode route
combo enable copper
#
scheduler logfile size 16
#
line class aux
user-role network-operator
#
line class console
user-role network-admin
#
line class tty
user-role network-operator
#
line class vty
user-role network-operator
#
line aux 0
user-role network-operator
#
line con 0
user-role network-admin
#
line vty 0 63
user-role network-operator
#
acl advanced 3000
rule 0 permit ip source 10.0.0.0 0.0.0.255 destination 20.0.0.0 0.0.0.255
#
domain system
#
domain default enable system
#
role name level-0
description Predefined level-0 role
#
role name level-1
description Predefined level-1 role
#
role name level-2
description Predefined level-2 role
#
role name level-3
description Predefined level-3 role
#
role name level-4
description Predefined level-4 role
#
role name level-5
description Predefined level-5 role
#
role name level-6
description Predefined level-6 role
#
role name level-7
description Predefined level-7 role
#
role name level-8
description Predefined level-8 role
#
role name level-9
description Predefined level-9 role
#
role name level-10
description Predefined level-10 role
#
role name level-11
description Predefined level-11 role
#
role name level-12
description Predefined level-12 role
#
role name level-13
description Predefined level-13 role
#
role name level-14
description Predefined level-14 role
#
user-group system
#
ipsec transform-set 1
esp encryption-algorithm des-cbc
esp authentication-algorithm md5
#
ipsec policy-template 1 1
transform-set 1
security acl 3000
ike-profile 1
#
ipsec policy 1 1 isakmp template 1
#
ike identity fqdn R1
#
ike profile 1
keychain 1
exchange-mode aggressive
local-identity fqdn R1
match remote identity fqdn R2
proposal 1
#
ike proposal 1
#
ike keychain 1
pre-shared-key hostname R2 key cipher $c$3$ctKB8aqTOBmPqa7wr33z4yl9BW9M9Q==
#
return
分支
# version 7.1.064, Release 0427P22 # sysname R2 # system-working-mode standard xbar load-single password-recovery enable lpu-type f-series # vlan 1 # interface Serial1/0 # interface Serial2/0 # interface Serial3/0 # interface Serial4/0 # interface NULL0 # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address dhcp-alloc ipsec apply policy 1 # interface GigabitEthernet0/1 port link-mode route combo enable copper # interface GigabitEthernet0/2 port link-mode route combo enable copper # interface GigabitEthernet5/0 port link-mode route combo enable copper # interface GigabitEthernet5/1 port link-mode route combo enable copper # interface GigabitEthernet6/0 port link-mode route combo enable copper # interface GigabitEthernet6/1 port link-mode route combo enable copper # scheduler logfile size 16 # line class aux user-role network-operator # line class console user-role network-admin # line class tty user-role network-operator # line class vty user-role network-operator # line aux 0 user-role network-operator # line con 0 user-role network-admin # line vty 0 63 user-role network-operator # acl advanced 3000 rule 0 permit ip source 20.0.0.0 0.0.0.255 destination 10.0.0.0 0.0.0.255 # domain system # domain default enable system # role name level-0 description Predefined level-0 role # role name level-1 description Predefined level-1 role # role name level-2 description Predefined level-2 role # role name level-3 description Predefined level-3 role # role name level-4 description Predefined level-4 role # role name level-5 description Predefined level-5 role # role name level-6 description Predefined level-6 role # role name level-7 description Predefined level-7 role # role name level-8 description Predefined level-8 role # role name level-9 description Predefined level-9 role # role name level-10 description Predefined level-10 role # role name level-11 description Predefined level-11 role # role name level-12 description Predefined level-12 role # role name level-13 description Predefined level-13 role # role name level-14 description Predefined level-14 role # user-group system # ipsec transform-set 1 esp encryption-algorithm des-cbc esp authentication-algorithm md5 # ipsec policy 1 1 isakmp transform-set 1 security acl 3000 remote-address 10.0.0.1 ike-profile 1 # ike identity fqdn R2 # ike profile 1 keychain 1 exchange-mode aggressive local-identity fqdn R2 match remote identity fqdn R1 proposal 1 # ike proposal 1 # ike keychain 1 pre-shared-key address 10.0.0.1 255.255.255.255 key cipher $c$3$gwtIvSkM9K8BbsyopfIWDI3Rbj2Twg== # return
- 2023-02-03回答
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分支 # version 7.1.064, Release 0427P22 # sysname R2 # system-working-mode standard xbar load-single password-recovery enable lpu-type f-series # vlan 1 # interface Serial1/0 # interface Serial2/0 # interface Serial3/0 # interface Serial4/0 # interface NULL0 # interface GigabitEthernet0/0 port link-mode route combo enable copper ip address dhcp-alloc ipsec apply policy 1 # interface GigabitEthernet0/1 port link-mode route combo enable copper # interface GigabitEthernet0/2 port link-mode route combo enable copper # interface GigabitEthernet5/0 port link-mode route combo enable copper # interface GigabitEthernet5/1 port link-mode route combo enable copper # interface GigabitEthernet6/0 port link-mode route combo enable copper # interface GigabitEthernet6/1 port link-mode route combo enable copper # scheduler logfile size 16 # line class aux user-role network-operator # line class console user-role network-admin # line class tty user-role network-operator # line class vty user-role network-operator # line aux 0 user-role network-operator # line con 0 user-role network-admin # line vty 0 63 user-role network-operator # acl advanced 3000 rule 0 permit ip source 20.0.0.0 0.0.0.255 destination 10.0.0.0 0.0.0.255 # domain system # domain default enable system # role name level-0 description Predefined level-0 role # role name level-1 description Predefined level-1 role # role name level-2 description Predefined level-2 role # role name level-3 description Predefined level-3 role # role name level-4 description Predefined level-4 role # role name level-5 description Predefined level-5 role # role name level-6 description Predefined level-6 role # role name level-7 description Predefined level-7 role # role name level-8 description Predefined level-8 role # role name level-9 description Predefined level-9 role # role name level-10 description Predefined level-10 role # role name level-11 description Predefined level-11 role # role name level-12 description Predefined level-12 role # role name level-13 description Predefined level-13 role # role name level-14 description Predefined level-14 role # user-group system # ipsec transform-set 1 esp encryption-algorithm des-cbc esp authentication-algorithm md5 # ipsec policy 1 1 isakmp transform-set 1 security acl 3000 remote-address 10.0.0.1 ike-profile 1 # ike identity fqdn R2 # ike profile 1 keychain 1 exchange-mode aggressive local-identity fqdn R2 match remote identity fqdn R1 proposal 1 # ike proposal 1 # ike keychain 1 pre-shared-key address 10.0.0.1 255.255.255.255 key cipher $c$3$gwtIvSkM9K8BbsyopfIWDI3Rbj2Twg== # return
您好，请知：
IPSEC VPN故障排查：
1、检查公网地址的连通性
2、检查ipsec acl是否配置正确（两端ACL以互为镜像的方式配置）
3、检查ike keychain/ike profile 协商参数配置是否正确（工作模式、keychain、identity、本端/对端隧道地址或隧道名称、NAT穿越功能v7自适应）
4、检查ipsec proposal（v5平台） /ipsec transform-set（v7平台）参数两端是否一致（封装模式、安全协议、验证算法、加密算法）
5、检查设备是否创建ipsec策略，并加载协商参数（acl、ike profile 、ipsec transform-set、对端隧道IP）
6、检查ipsec策略是否应用在正确的接口上
IPSEC排查命令：
1、disp ipsec policy
2、disp acl
3、dis cu conf ike-profile
4、dis cu conf ike-keychain
5、display ike proposal
6、display ipsec transform-set
7、disp ike sa (verbose)
8、disp ipsec sa
9、reset ipsec sa
10、reset ike sa
- 2023-02-03回答
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