1-8To do… Use the command… RemarksSpecify the VLAN used to forman XRN fabric ftm fabric-vlan vlan-idRequiredBy default, the VLAN used toform the XRN fabric is VLAN4093You cannot specify an existing VLAN to form an XRN fabric; otherwise, your configuration fails.Setting a Unit ID for a SwitchOn the switches that support automatic numbering, FTM will automatically number the switches toconstitute an XRN fabric by default, so that each switch has a unique unit ID in the fabric. You can usethe command in the following table to set unit IDs for switches. Make sure to set different unit IDs fordifferent switches in an XRN fabric. Otherwise, FTM will automatically number the switches with thesame unit ID.Follow these steps to set a unit ID for a switch:To do… Use the command… RemarksEnter system view system-view —Set a unit ID for the switch change self-unit to { unit-id |auto-numbering }OptionalBy default, the unit ID of aswitch that belongs to no XRNfabric is 1. The unit ID of aswitch belonging to an XRNfabric is assigned by FTM. UnitID ranges from 1 to 8.If you do not configure the fabric port, you cannot change the unit ID of the local switch.After an XRN fabric is established, you can use the following command to change the unit IDs of theswitches in the XRN fabric.Follow these steps to set a unit ID to a new value:To do… Use the command… RemarksEnter system view system-view —Set a unit ID to a new value change unit-id unit-id1 to { unit-id2 |auto-numbering } Optional