Switch configuration (OS 9.x)15 Dell EMC Networking S4048-ON Switch Configuration Guide for Dell PS Series SANs | SCG10262.4 Optional stack configurationNote: If choosing to use a stack configuration instead of LAG, follow the instructions in this section instead ofthose in section 2.1.One advantage of stacked switches is that they can be managed as a single switch. However, firmwareupdates will update all members of the stack simultaneously and therefore should only be done duringplanned downtime.2.4.1 Delete startup configuration on first switchDell>enableDell#delete startup-configProceed to delete startup-config [confirm yes/no]yesDell#reloadSystem configuration has been modified. Save? [yes/no]noProceed with reload [confirm yes/no]yesNote: The switch will reboot.2.4.2 Configure stack on the first switchDell>enableNote: After the startup configuration is deleted, the factory default enable mode password is calvin.Dell#configureDell(conf)#stack-unit 1 priority 1Dell(conf)#stack-unit 1 stack-group 12Dell(conf)#stack-unit 1 stack-group 13Dell(conf)#exitDell#copy running-config startup-configDell#reload2.4.3 Delete startup configuration on the second switchDell>enableDell#delete startup-configProceed to delete startup-config [confirm yes/no]yesDell#reloadSystem configuration has been modified. Save? [yes/no]noProceed with reload [confirm yes/no]yesNote: The switch will reboot.