VPN CONFIGURATION BETWEEN TWO CISCO ROUTERS

configure the all interfaces with the following specified ip addresses  ip addresses .then run  the  Router rip for instance or you can use any other routing protocol.

Benefit . Our data will be traveling in encrypted form  .

R1

crypto isakam policy 10

authentication pre-share

hash sha

encryption aes 256

group 2

lifetime 86400

crypto isakkam key toor address 1.1.1.2

crypto ipsec transform-set TSET esp-aes esp-sha-hmac

access-list 101 permit ip 10.10.10.0 0.255.255.255 20.20.20.0 0.255.255.255

crypto map CMAP 10 ipsec-isakamp

set peer 1.1.1.1

match address 101

set transform-set TSET

int fa 0/0

crypto map CMAP

R2

crypto isamp policy 10

authentication pre-share

hash sha

encryption aes 256

group 2

lifetime 86400

crypto isamp ey toor address 1.1.1.1

crypto ipsec transform-set TSET esp-aes esp-sha-hmac

access-list 101 permit ip 20.20.20.0 0.255.255.255 10.10.10.0 0.255.255.255

crypto map CMAP 10 ipsec-isakmp

set peer 1.1.1.1

match address 101

set transform-set TSET

int fa 0/0

Crypto map CMAP