Planet Networking & Communication CS-2001 User Manual page 315

Step 45.
Tick Master Key Perfect Forward Secrecy and then click Methods.
（Figure 11-106）
Step 46.
Click Move up or Move down to arrange the order of selected item.
Move the item "IKE / 3DES / MD5" to the top, and then click OK.
11-107）
Figure 11-107 Rearranging the Order of Security Methods
Figure 11-106 Key Exchange Settings
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