13
Case 2b: Port-based VLAN (See Fig.2-4).
1. VLAN1 members cannot access VLAN2, VLAN3 and VLAN4 members.
2. VLAN2 members cannot access VLAN1 and VLAN3 members, but they can access VLAN4
members.
3. VLAN3 members cannot access VLAN1, VLAN2 and VLAN4.
4. VLAN4 members cannot access VLAN1 and VLAN3 members, but they can access VLAN2
members.
Case3a: The same VLAN members can be at different switches with the same VID (See Fig. 2-
5).
Fig. 2-4 Port-based VLAN Diagram
Fig. 2-5 Attribute-based VLAN Diagram