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Key Lifetime:
You may optionally select to have the key expire after a period of time that you specify. Enter the number of seconds you’d like the key to be available
or leave the field blank for the key to last indefinitely.
NetBIOS Broadcast:
Check the box to allow NetBIOS traffic pass through the VPN Tunnel.
Anti-replay:
Check the box to enable this function. This item will keep track of sequence numbers as data packets arrive and ensure security at the IP packet level.
Keep-Alive:
Check the box to re-establish the VPN Tunnel connection whenever it is dropped. After the Tunnel has been created, this function will keep the connection
alive for a period of time.
Unauthorized IP Blocking:
Checking the box allows you to block unauthorized IP addresses for a specified period of time after a specific number of IKE failures.
Enter the time period and failure level in the fields indicated.
Example - Establish the VPN connection
Figure 22. Creating a Tunnel between two VPN routers
Figure 23. Creating a Tunnel between a VPN router and a VPN client with a fixed IP Address
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