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3.17. VLAN Configuration

Figure 3.4, “Bridge, VLAN, and NIC configuration” depicts an alternative configuration that includes a virtual LAN (VLAN) to connect the host NIC and bridge.
Bridge, VLAN, and NIC configuration

Figure 3.4. Bridge, VLAN, and NIC configuration

A VLAN is included to provide a secure channel for data transfer over this network and also to support the option to connect multiple bridges to a single NIC using multiple VLANs.