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Configure IPSec side-to-side VPN using SDM (Security Device Manager). 
 
•  SDM is an easy-to-use internet browser-based device management tool that is 
embedded within Cisco IOS 800 – 3800 series router at no cost. 
•  SDM simplifies router and security configuration through the use of intelligent 
wizards to enable customers and partners to quickly and easily deploy, configure, 
and monitor Cisco router. 
 
Navigations 
 
 From the desktop, start the cisco SDM launcher software.
 
 Click configure icon from the main window. 
 Click VPN icon to open VPN page. 
 Choose side-to-side VPN wizard from the list. 
 Click launch the selected task button. 
 Window will open to choose wizard mode. 
 Choose step-by-step setup. 
 Choose the outside interface towards IPSec peer. 
 Specify the IP address of the peer. 
 Choose the authentication method and specify the key. 
 Click next button to proceed. 
 
     Set IKE policies by clicking add button and specify the parameters: 
IKE proposal priority – 2 
Encryption algorithm – 3des. 
HMAC – sha 
IKE authentication method 
Diffie-Hellman group – 1 
IKE lifetime 
 
     Click next button to proceed.. 
     Set transform-set by clicking add button and specify the parameters: 
Transform set name – set 1 
Encryption algorithm – esp-des 
HMAC 
Mode of operation – tunnel 
Optional compression 
 
Click next to proceed 
 
  •  Click create / select an access-list for IPSec traffic radio button. 
  •  Click create a new rule (ACL) and select option. 
  •  Give the access rule a name and click add button. 
-At the end of step-by-step setup the wizard presents a summary of the 
configured parameters. 
-Click finish button to complete the configuration. 
 
Verify 
 
•  Click “test tunnel” button to run a test to determine the configuration correctness of the tunnel. 
•  Click “monitor icon” – the screen will display all IPSec tunnels, parameters and status. 
•  Same with “VPN status” icon & “IPSec tunnels”.
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