06-05-2016 01:53 AM - edited 02-21-2020 08:50 PM
Hello guys and trying to setup LAN to LAN tunnel between two sites and its not working for me.. I thing traffic is being natted before it leaves PAT router.
I attached topology and running config
R2 configs!
R2#show run
Building configuration...
Current configuration : 1734 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R2
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
crypto isakmp policy 1
encr aes
authentication pre-share
group 5
lifetime 84600
crypto isakmp key cisco address 10.1.2.2
!
crypto ipsec security-association lifetime seconds 86400
!
crypto ipsec transform-set myset esp-aes esp-sha-hmac
!
crypto map mymap 10 ipsec-isakmp
! Incomplete
set peer 10.1.2.2
set transform-set myset
match address 100
!
!
!
ip tcp synwait-time 5
ip ssh version 1
!
!
!
!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
interface FastEthernet0/0
ip address 10.1.1.2 255.255.255.252
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
crypto map mymap
!
interface FastEthernet0/1
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.1.1.1
!
!
no ip http server
no ip http secure-server
ip nat inside source list 10 interface FastEthernet0/0 overload
!
access-list 10 permit any
access-list 100 permit ip 192.168.1.0 0.0.0.255 192.168.2.0 0.0.0.255
no cdp log mismatch duplex
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
----------------------------------------------------------
R4#show run
Building configuration...
Current configuration : 1774 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
crypto isakmp policy 1
encr aes
authentication pre-share
group 5
crypto isakmp key cisco address 10.1.1.2
!
crypto ipsec security-association lifetime seconds 86400
!
crypto ipsec transform-set myset esp-aes esp-sha-hmac
!
crypto map mymap 10 ipsec-isakmp
set peer 10.1.1.2
set transform-set myset
match address 100
!
!
!
ip tcp synwait-time 5
ip ssh version 1
!
!
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.2.1 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.1.2.2 255.255.255.252
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
crypto map mymap
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.1.2.1
!
!
no ip http server
no ip http secure-server
ip nat inside source list 10 interface FastEthernet0/1 overload
!
access-list 10 permit any
access-list 100 permit ip 192.168.2.0 0.0.0.255 192.168.1.0 0.0.0.255
no cdp log mismatch duplex
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
---------------------------------------------------------------
R4#show run
Building configuration...
Current configuration : 1774 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
archive
log config
hidekeys
!
!
crypto isakmp policy 1
encr aes
authentication pre-share
group 5
crypto isakmp key cisco address 10.1.1.2
!
crypto ipsec security-association lifetime seconds 86400
!
crypto ipsec transform-set myset esp-aes esp-sha-hmac
!
crypto map mymap 10 ipsec-isakmp
set peer 10.1.1.2
set transform-set myset
match address 100
!
!
!
ip tcp synwait-time 5
ip ssh version 1
!
!
!
!
interface Loopback0
ip address 4.4.4.4 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.2.1 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.1.2.2 255.255.255.252
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
crypto map mymap
!
interface FastEthernet1/0
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
shutdown
duplex auto
speed auto
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 10.1.2.1
!
!
no ip http server
no ip http secure-server
ip nat inside source list 10 interface FastEthernet0/1 overload
!
access-list 10 permit any
access-list 100 permit ip 192.168.2.0 0.0.0.255 192.168.1.0 0.0.0.255
no cdp log mismatch duplex
!
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
line vty 0 4
login
!
!
end
06-05-2016 10:41 PM
Hi,
Follow this example to create NAT-exempt for VPN traffic on Router http://www.cisco.com/c/en/us/support/docs/security-vpn/ipsec-negotiation-ike-protocols/14132-ios-D.html
HTH,
Abaji.
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide