1-12z Preserve permanently: No matter whether the master leaves the IRF virtual device or not, thebridge MAC address of the IRF virtual device remains unchanged.z Not preserved: As soon as the master leaves, the IRF virtual device uses the bridge MACaddress of the newly elected master as its bridge MAC address.Examples# Configure the bridge MAC address of the IRF virtual device to be preserved permanently. system-view[Sysname] irf mac-address persistent alwaysirf member prioritySyntaxirf member member-id priority priorityundo irf member member-id priorityViewSystem viewDefault Level3: Manage levelParametersmember-id: Specifies the ID of a member of an IRF virtual device. The value range depends on thecurrent number of members and their member IDs. With this argument provided, you can specify apriority for another member on this device. To view the member IDs, use the display irf command.priority: Priority value, in the range 1 to 32.DescriptionUse the irf member priority command to specify a priority for a member device.Use the undo irf member priority command to restore the default.By default, the priority of a member device is 1.The greater the priority value, the higher the priority. A member with a higher priority is more likely tobe the master.Note the following:z You can specify a priority for a member of the current IRF virtual device only.z The priority setting takes effect right after your configuration.Examples# Specify a priority for the local device. display irfSwitch Role Priority CPU-Mac+1 Slave 29 00e0-fc00-11152 Slave 1 00e0-fc00-1615