PLANET CS-1000 - Manual (Page 158)

Multi-Homing Security Gateway User’s Manual
Step 14. In Authentication Method Table, choose Preshare and enter the Preshared Key.
Step 15. Follow Step 5, 6, 7 to configure related encryption and authentication setting.
Step 16. Choose GRE/ IPSec and enter GRE Local IP, 10.1.1.254 and GRE Remote IP, 10.1.1.1.
NOTE: The Local IP and Remote IP should be in the same IP subnet, and they also can not be the same IP
subnet with both devices’ WAN or LAN IP subnet
Step 17. Click OK to finish the WAN 2 VPN setting of Company B.
Step 17. Click Trunk and press New Entry to configure the further setting.
Step 18. Enter VPN_Trunk_B as the new trunk name, and select LAN interface as the VPN source. Fill LAN
IP subnet 192.168.20.0 with subnet mask IP 255.255.255.0.
Step 19. In To Destination table, fill company A’s subnet IP and mask, 192.168.10.0 and 255.255.255.0
respectively.
Step 20. Select Site_B_1 and Site_B _2 in Available Tunnel, and click the Add>> button to add it to the
Select Tunnel .
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