Planet MH-2300 User Manual page 260

Step10.
Go to Policy Object > VPN > IPSec Autokey and then click the
New Entry button again.
Step11.
Type VPN_02 in the Name field and then select Port2(WAN1) for
the Interface.
Step12.
Under the Remote Settings section, select Remote Gateway
(Static IP or Hostname) and then fill the field.
Configuring the Remote Gateway –Fixed IP or Domain Name
Step13.
Select Pre-Shared Key for Authentication Method and then
enter the Pre-Shared Key String.
Step14.
Under the ISAKMP Algorithm section, select 3DES for
Encryption Algorithm, select MD5 for Authentication Algorithm
and then select DH 1 for Key Group.
The IPSec Autokey Page
Configuring the Name and the Interface
Configuring the Authentication Method
Configuring ISAKMP Algorithm
260
Gigabit Multi-Homing VPN Security Gateway
MH-2300