4 Assign a stack group to each unit.CONFIGURATION modestack-unitstack-unit-number stack-group stack-group-number5 Connect the new unit to the stack using stacking cables.Example of Adding a Stack Unit with a Conflicting Stack Number (Before and After)The following example shows adding a stack unit with a conflicting stack number (before).Dell#show system briefStack MAC : 00:01:e8:8a:df:e6Reload Type : normal-reload-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports----------------------------------------------------------------1 Management online S4048-ON S4048-ON 9-10-0-0 722 Member not present3 Member not present4 Standby online S4048-ON S4048-ON 9-10-0-0 725 Member not present6 Member not presentThe following example shows adding a stack unit with a conflicting stack number (after).Dell#show system briefStack MAC : 00:01:e8:8a:df:e6Reload Type : normal-reload-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports----------------------------------------------------------------1 Management online S4048-ON S4048-ON 9-10-0-0 722 Member online S4048-ON S4048-ON 9-10-0-0 723 Member not present4 Standby online S4048-ON S4048-ON 9-10-0-0 725 Member not present6 Member not presentAdding a Configured Unit to an Existing StackTo add a configured unit to an existing stack, use the following commands.If a stack unit goes down and is removed from the stack, the logical provisioning configured for that stack-unit number is saved on themaster and standby units. When a new unit is added to the stack, if a stack group configuration conflict occurs between the new unit andthe provisioned stack unit, the configuration of the new unit takes precedence.1 Add the configured unit to the top or bottom of the stack.2 Power on the switch.3 Attach cables to connect ports on the added switch to one or more existing switches in the stack.4 Log on to the CLI and enter global configuration mode.• Login: username• Password: *****• Dell> enable• Dell# configure5 Configure the ports on the added switch for stacking.908 Stacking