Fortigate Two Phases :
Cisco router configuration :
crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
crypto isakmp key 6 95313a@3dfd address 112.115.168.123
!
!
crypto ipsec transform-set fortinet esp-3des esp-sha-hmac
!
crypto map test 1 ipsec-isakmp
set peer 112.115.168.123
set transform-set fortinet
match address 107
!
archive
log config
hidekeys
!
!
!
!
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface FastEthernet4
no ip address
duplex auto
speed auto
pppoe enable group global
pppoe-client dial-pool-number 1
!
interface Vlan1
ip address 192.168.68.254 255.255.255.0
ip nat inside
ip virtual-reassembly
!
interface Dialer1 //PPPoE Dialer Script
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly
encapsulation ppp
ip tcp adjust-mss 1452
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication chap pap callin
ppp chap hostname ra566831345
ppp chap password 0 password
ppp pap sent-username ra566831345 password 0 password
crypto map test
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 Dialer1 100
ip route 192.168.44.0 255.255.255.0 Dialer1
!
no ip http server
no ip http secure-server
ip nat inside source route-map nonat interface Dialer1 overload
!
access-list 106 deny ip 192.168.68.0 0.0.0.255 192.168.44.0 0.0.0.255
access-list 106 permit ip 192.168.68.0 0.0.0.255 any
access-list 107 permit ip 192.168.68.0 0.0.0.255 192.168.44.0 0.0.0.255
!
!
route-map nonat permit 10
match ip address 106 //This route map is to no NAT between site to site network because, in fortigate NAT was disabled.
!
!
control-plane
!
!
line con 0
no modem enable
line aux 0
line vty 0 4
password cisco
login local
!
scheduler max-task-time 5000
end