求大神帮忙指点一二！有NAT穿越场景的网络拓扑，只能从没有NAT一侧创建IPSec

公司防火墙：作为IPSec连接点+DHCP网关

公司NAT：仅作为NAT设备使用

机房防火墙：作为NAT+IPSec连接点+DHCP网关

问题：可以从机房侧带源ping，实现NAT穿越激活IPSec隧道，但是如果从公司侧则无法激活IPSec，NAT设备已经做了端口映射，配置如下

 

【公司防火墙】

<IDC>dis cu

#

 version 7.1.064, Alpha 7164

#

 sysname IDC

#

context Admin id 1

#

 telnet server enable

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 dhcp enable

#

 xbar load-single

 password-recovery enable

 lpu-type f-series

#

vlan 1

#

vlan 100

#

dhcp server ip-pool pool

 gateway-list 192.168.20.1

 network 192.168.20.0 mask 255.255.255.0

 dns-list 114.114.114.114

#

interface NULL0

#

interface Vlan-interface100

 ip address 192.168.20.1 255.255.255.0

 dhcp server apply ip-pool pool

#

interface GigabitEthernet1/0/0

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/1

 port link-mode route

 combo enable copper

 ip address 20.1.1.2 255.255.255.0

 nat outbound 3101

 ipsec apply policy ipp

#

interface GigabitEthernet1/0/3

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/4

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/5

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/6

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/7

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/8

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/9

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/10

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/11

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/12

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/13

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/14

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/15

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/16

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/17

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/18

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/19

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/20

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/21

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/22

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/23

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/2

 port link-mode bridge

 port access vlan 100

 combo enable copper

#

security-zone name Local

#

security-zone name Trust

 import interface Vlan-interface100

 import interface GigabitEthernet1/0/2 vlan 100

#

security-zone name DMZ

#

security-zone name Untrust

 import interface GigabitEthernet1/0/1

#

security-zone name Management

#

 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-admin

#

line con 0

 authentication-mode scheme

 user-role network-admin

#

line vty 0 4

 authentication-mode scheme

 user-role network-admin

#

line vty 5 63

 user-role network-operator

#

 ip route-static 0.0.0.0 0 20.1.1.1

#

 info-center loghost 127.0.0.1 port 3301 format default

 info-center source CFGLOG loghost level informational

#

acl advanced 3100

 rule 10 permit ip source 192.168.20.0 0.0.0.255 destination 192.168.10.0 0.0.0.255

#

acl advanced 3101

 rule 10 deny ip source 192.168.20.0 0.0.0.255 destination 192.168.10.0 0.0.0.255

 rule 20 permit ip source 192.168.20.0 0.0.0.255

#

domain system

#

 aaa session-limit ftp 16

 aaa session-limit telnet 16

 aaa session-limit ssh 16

 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

#

local-user admin class manage

 password hash $h$6$UbIhNnPevyKUwfpm$LqR3+yg1IjNct39MkOR0H0iQXLkYB3jMqM4vbAeoXOhbabIIFnjJPEGR00YiYA1Sz4LiY3FmEdru2fOLMb1shQ==

 service-type telnet terminal http

 authorization-attribute user-role level-3

 authorization-attribute user-role network-admin

 authorization-attribute user-role network-operator

#

ipsec transform-set trans

 esp encryption-algorithm 3des-cbc

 esp authentication-algorithm md5

#

ipsec policy ipp 1 isakmp

 transform-set trans

 security acl 3100

 local-address 20.1.1.2

 remote-address 10.1.1.2

 ike-profile ikep

#

ike profile ikep

 keychain keychain

 local-identity address 20.1.1.2

 match remote identity address 10.1.1.2 255.255.255.255

 proposal 1

#

ike proposal 1

 encryption-algorithm 3des-cbc

 dh group2

 authentication-algorithm md5

#

ike keychain keychain

 pre-shared-key address 10.1.1.2 255.255.255.255 key cipher $c$3$+VGnDeOD1HRY2XQaRB1Zb8i7q7NmWZHB8A==

#

 ip http enable

 ip https enable

#

security-policy ip

 rule 0 name allow

  action pass

#

return

 

【公司NAT】

[NAT]dis cu

#

 version 7.1.064, Alpha 7164

#

 sysname NAT

#

context Admin id 1

#

 telnet server enable

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 xbar load-single

 password-recovery enable

 lpu-type f-series

#

vlan 1

#

interface NULL0

#

interface GigabitEthernet1/0/0

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/1

 port link-mode route

 combo enable copper

 ip address 10.1.1.2 255.255.255.0

 nat outbound 2000

 nat server protocol udp global 10.1.1.2 500 inside 172.16.0.249 500 rule ServerRule_2

 nat server protocol udp global 10.1.1.2 4500 inside 172.16.0.249 4500 rule ServerRule_1

#

interface GigabitEthernet1/0/2

 port link-mode route

 combo enable copper

 ip address 172.16.0.254 255.255.255.0

 nat outbound 2001

#

interface GigabitEthernet1/0/3

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/4

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/5

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/6

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/7

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/8

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/9

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/10

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/11

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/12

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/13

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/14

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/15

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/16

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/17

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/18

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/19

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/20

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/21

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/22

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/23

 port link-mode route

 combo enable copper

#

security-zone name Local

#

security-zone name Trust

 import interface GigabitEthernet1/0/2

#

security-zone name DMZ

#

security-zone name Untrust

 import interface GigabitEthernet1/0/1

#

security-zone name Management

#

 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-admin

#

line con 0

 authentication-mode scheme

 user-role network-admin

#

line vty 0 4

 authentication-mode scheme

 user-role network-admin

#

line vty 5 63

 user-role network-operator

#

 ip route-static 0.0.0.0 0 10.1.1.1

 ip route-static 192.168.10.0 24 172.16.0.249

#

 info-center loghost 127.0.0.1 port 3301 format default

 info-center source CFGLOG loghost level informational

#

acl basic 2000

 rule 0 permit

#

acl basic 2001

 rule 0 permit source 192.168.10.0 0.0.0.255

 rule 5 deny

#

acl advanced 3200

 rule 0 permit ip

#

domain system

#

 aaa session-limit ftp 16

 aaa session-limit telnet 16

 aaa session-limit ssh 16

 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

#

local-user admin class manage

 password hash $h$6$UbIhNnPevyKUwfpm$LqR3+yg1IjNct39MkOR0H0iQXLkYB3jMqM4vbAeoXOhbabIIFnjJPEGR00YiYA1Sz4LiY3FmEdru2fOLMb1shQ==

 service-type telnet terminal http

 authorization-attribute user-role level-3

 authorization-attribute user-role network-admin

 authorization-attribute user-role network-operator

#

 ip http enable

 ip https enable

#

security-policy ip

 rule 0 name allow

  action pass

#

security-policy ipv6

#

return

 

【机房防火墙】

<IDC>dis cu

#

 version 7.1.064, Alpha 7164

#

 sysname IDC

#

context Admin id 1

#

 telnet server enable

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 dhcp enable

#

 xbar load-single

 password-recovery enable

 lpu-type f-series

#

vlan 1

#

vlan 100

#

dhcp server ip-pool pool

 gateway-list 192.168.20.1

 network 192.168.20.0 mask 255.255.255.0

 dns-list 114.114.114.114

#

interface NULL0

#

interface Vlan-interface100

 ip address 192.168.20.1 255.255.255.0

 dhcp server apply ip-pool pool

#

interface GigabitEthernet1/0/0

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/1

 port link-mode route

 combo enable copper

 ip address 20.1.1.2 255.255.255.0

 nat outbound 3101

 ipsec apply policy ipp

#

interface GigabitEthernet1/0/3

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/4

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/5

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/6

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/7

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/8

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/9

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/10

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/11

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/12

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/13

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/14

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/15

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/16

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/17

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/18

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/19

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/20

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/21

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/22

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/23

 port link-mode route

 combo enable copper

#

interface GigabitEthernet1/0/2

 port link-mode bridge

 port access vlan 100

 combo enable copper

#

security-zone name Local

#

security-zone name Trust

 import interface Vlan-interface100

 import interface GigabitEthernet1/0/2 vlan 100

#

security-zone name DMZ

#

security-zone name Untrust

 import interface GigabitEthernet1/0/1

#

security-zone name Management

#

 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-admin

#

line con 0

 authentication-mode scheme

 user-role network-admin

#

line vty 0 4

 authentication-mode scheme

 user-role network-admin

#

line vty 5 63

 user-role network-operator

#

 ip route-static 0.0.0.0 0 20.1.1.1

#

 info-center loghost 127.0.0.1 port 3301 format default

 info-center source CFGLOG loghost level informational

#

acl advanced 3100

 rule 10 permit ip source 192.168.20.0 0.0.0.255 destination 192.168.10.0 0.0.0.255

#

acl advanced 3101

 rule 10 deny ip source 192.168.20.0 0.0.0.255 destination 192.168.10.0 0.0.0.255

 rule 20 permit ip source 192.168.20.0 0.0.0.255

#

domain system

#

 aaa session-limit ftp 16

 aaa session-limit telnet 16

 aaa session-limit ssh 16

 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

#

local-user admin class manage

 password hash $h$6$UbIhNnPevyKUwfpm$LqR3+yg1IjNct39MkOR0H0iQXLkYB3jMqM4vbAeoXOhbabIIFnjJPEGR00YiYA1Sz4LiY3FmEdru2fOLMb1shQ==

 service-type telnet terminal http

 authorization-attribute user-role level-3

 authorization-attribute user-role network-admin

 authorization-attribute user-role network-operator

#

ipsec transform-set trans

 esp encryption-algorithm 3des-cbc

 esp authentication-algorithm md5

#

ipsec policy ipp 1 isakmp

 transform-set trans

 security acl 3100

 local-address 20.1.1.2

 remote-address 10.1.1.2

 ike-profile ikep

#

ike profile ikep

 keychain keychain

 local-identity address 20.1.1.2

 match remote identity address 10.1.1.2 255.255.255.255

 proposal 1

#

ike proposal 1

 encryption-algorithm 3des-cbc

 dh group2

 authentication-algorithm md5

#

ike keychain keychain

 pre-shared-key address 10.1.1.2 255.255.255.255 key cipher $c$3$+VGnDeOD1HRY2XQaRB1Zb8i7q7NmWZHB8A==

#

 ip http enable

 ip https enable

#

security-policy ip

 rule 0 name allow

  action pass

#

return