Draytek Vigor3900 User Manual page 53

9. Click the Load Balance Rule tab and click Add to add a Load Balance rule profile.
10. Enable this profile and input the following settings then click Apply.
Type the local network IP address and Mask of Vigor3900 as Source IP Address and
Source Mask; type the network IP and Mask of Vigor2950 as Destination IP Address &
Destination Mask. Select the Load Balance Pool profile (e.g., 2950_LB) set for
Vigor2950.
Vigor3900 Series User's Guide
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