Dell Force10 S55 Manuale - Pagina 26

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How units are identified within the stack is determined by the selected identification algorithm. The

default algorithm has the units self-identify as Unit 0 through Unit [last] based on the order in which they

come on-line. So, when setting up a new set of switches in a stack, you should have no trouble forcing the

identification of the management unit and unit IDs by methodically supplying power to the units in your

preferred sequence.

Similarly, when you add a brand new unit to the stack, the unit will be gracefully added as Unit [last] (the

lowest unused number) with the current configuration. Attaching the unit causes each unit in the stack to

reload, and the subsequent configuration file in each unit includes the awareness of the new unit.

If you have a pre-configured unit that you want to add to the stack, but you want to make sure that the

configuration does not override the configuration of the stack, it is best to add the unit while it is powered

down, in order to avoid stack management conflicts.

You can use the CLI to make stack identification changes on the fly, such as renumbering units (

renumber

), assigning a new management unit (

stack membership (

override the default unit identification algorithms.

show switch

Use the

show switch unit

Use the

For details on removing a unit from a stack and other stacking commands, see the Stacking chapter in the

FTOS Configuration Guide and the Stacking Commands chapter in the FTOS Command Reference.

Install the S55

no member

). You can also use commands such as

command to see the current assignment of the management unit.

command to see the serial number of the designated unit.

movemanagement

command), or removing a unit from

switch priority

member

and

switch

that