ZyXEL Communications USG 2000 13.6 VLAN Interfaces

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

A

B

C

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

A

B

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