Vlan Interfaces - ZyXEL Communications ZyWALL USG 2000 User Manual

Chapter 13 Interfaces
Table 65 Configuration > Network > Interface > Cellular > Add (continued)
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13.6 VLAN Interfaces

A Virtual Local Area Network (VLAN) divides a physical network into multiple
logical networks. The standard is defined in IEEE 802.1q.
Figure 257 Example: Before VLAN
In this example, there are two physical networks and three departments A, B, and
C. The physical networks are connected to hubs, and the hubs are connected to
the router.
Alternatively, you can divide the physical networks into three VLANs.
Figure 258 Example: After VLAN
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C
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