Draytek VIGOR2925 SERIES User Manual page 154

3. In the following page, check Enable; set Dest IP Start and Dest IP End with 203.65.1.35
and 203.65.1.35; choose WAN1 as the Interface; click default gateway; do not check
Failover To.
4. After finished the above settings, click OK to save the configuration.
Vigor2925 Series User's Guide
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