Can the MAC address of the bridged virtual interface of a bridge on an AR router be modified

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The MAC address of the bridged virtual interface (BVI) of a bridge on an AR router can be modified.
You can run the mac-address command in the Bridge-if interface view to modify the MAC address of the current bridged virtual interface.
The MAC address of a bridged virtual interface is the system MAC address, which may conflict with the MAC addresses of other interfaces or virtual interfaces. If the MAC address of a bridged virtual interface conflicts with the MAC addresses of member interfaces of the bridge group, the bridged virtual interface cannot transmit traffic in Layer 3.
When configuring a bridged virtual interface, confirm whether the MAC address of the interface conflicts with the MAC addresses of the member interfaces of the bridge group. If the MAC addresses conflict, you can run the mac-address command to modify the MAC address of the Bridge-if interface.
After the MAC address of the bridged virtual interface is modified, the device proactively sends a free ARP to update the ARP entries on the peer device.

Other related questions:
What are the differences between the MAC address of a bridge on an AR router and a normal MAC address
The MAC address of a bridge on an AR router equals to a normal MAC address. A bridge bridges complete Layer-2 Ethernet packets.

What the diffrence between AR router MAC address of the bridge and ordinary MAC address
AR router MAC address of the bridge and ordinary MAC address are equivalent, a bridge bridge is complete ethernet packets on the second floor.

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.

Can the MAC address of the BVI interface in a network bridge be changed
Yes, you can change the media access control (MAC) address of a Bridged Virtual Interface (BVI).

Can an optical interface on the AR router join a bridge group
An optical interface on the AR router can join a bridge group.

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