Functions of a virtual bridge

The concept of a virtual bridge (VB) was innovatively put forward by Huawei. The switching domain of an Ethernet board that has Layer 2 switching capabilities can be divided into multiple sub-switching domains. If no services are interconnected, different VBs cannot gain access to each other. Each VB has an independent configuration mode and uses an independent VLAN. Different VBs can use the same VLAN.

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