Draytek Vigor2862 Series User Manual page 181

Vigor router supports up to six private IP subnets on LAN. Each can be independent
(isolated) or common (able to communicate with each other). This is ideal for
departmental or multi-occupancy applications.
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Vigor2862 Series User's Guide
As for the VLAN applications, refer to "Appendix I: VLAN Application on
Vigor Router" for more detailed information.
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