Draytek Vigor2926L User Manual page 142

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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As for the VLAN applications, refer to "Appendix I: VLAN Application on
Vigor Router" for more detailed information.
Vigor2926 Series User's Guide