19Changing the member ID of a deviceCAUTION:In IRF mode, an IRF member ID change can invalidate member ID-related settings and cause data loss.Make sure you fully understand its impact on your live network.The new member ID takes effect at reboot. After the device reboots, the settings on all member ID relatedphysical resources (including common physical network ports) are removed, regardless of whether youhave saved the configuration.To change the member ID of a member device:Step Command Remarks1. Enter system view. system-view N/A2. Change the member ID of amember device.irf member member-id renumbernew-member-id N/A3. Save the runningconfiguration. save [ safely ] [ force ] N/A4. Reboot the member device. reboot chassis chassis-numberThe chassis-number must be thesame as the member-id specifiedin the irf member member-idrenumber new-member-idcommand.Changing the priority of a member deviceYou can change the priority of a member device so it can be elected the master in the next masterelection.A change to member priority can affect the master re-election result. However, it does not cause animmediate master re-election.To change the priority of a member device:Step Command Remarks1. Enter system view. system-view N/A2. Specify a priority for amember of an IRF fabric. irf member member-id priority priority The default IRF member priorityis 1.Adding physical interfaces to an IRF portIn IRF mode, you can add physical interfaces to an IRF port without traffic interruption on the IRF port.When you perform this task, follow the IRF port binding restrictions and configuration guidelines in thesesections:• IRF physical interface requirements.• Binding physical interfaces to IRF ports.