Cisco OL-4015-08 User Manual page 223

Chapter 8 Site-to-Site VPN
Step 12
Create an Additional Tunnel from the Same Source Interface
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OL-4015-08
Click Finish.
After you have created the initial VPN tunnel, follow these steps to create an
additional tunnel from the same source interface to a different destination
interface or destination subnet:
From the left frame, select VPN.
Select Create a Site-to-Site VPN.
Click Launch the Selected Task.
The VPN Wizard starts.
Click Quick Setup.
Click Next>.
From the Select the Router Interface for this VPN Connection field, choose the
same interface that you used to create the initial VPN connection.
In the Peer Identity field, enter the IP address of the destination router interface.
You can enter the same IP address that you entered when you created the initial
VPN connection. This indicates that this second VPN connection should use the
same interface on the destination router as the initial VPN connection. If you do
not want both VPN connections to connect to the same destination interface, enter
the IP address of a different interface on the destination router.
In the Authentication fields, enter and reenter the pre-shared key that the two VPN
peers will use.
In the Source field, select the same interface used to create the initial VPN
connection.
In the Destination fields, you have the following options:
If, in the Peer Identity field, you entered the IP address of a different interface
•
on the destination router and want to protect the IP traffic coming from a
specific subnet, enter the IP address and subnet mask of that subnet in the
appropriate fields.
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