User`s manual

Content Security Gateway User’s Manual
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Step 2. Enter the VPN name, VPN_A in IPSec Autokey window, and choose From Source to be Internal. Fill
the subnet IP, 192.168.10.0 and subnet mask, 255.255.255.0.
Step 3. In To Destination table, choose Remote Gateway-Fixed IP, enter the IP desired to be connected,
company B’s subnet IP and mask.
Step 4. In Authentication Method Table, choose Preshare and enter the Preshared Key. (The max length is
100 bits.)
Step 5. In Encapsulation / ISAKMP Algorithm, choose 3DES for ENC Algorithm and MD5 for AUTH Algorithm.
And select Group 1 to connect.
Step 6. Choose GRE/ IPSec and enter GRE Source IP, 192.168.50.100 and GRE Remote IP,
192.168.50.200.
NOTE: The Source IP and Remote IP should be in the same C Class.