Dell PowerConnect 5548P System User's Manual page 52

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
2 Turn on the unit to begin auto boot and press Return or Esc to abort and
enter the Start Up menu.
Startup Menu
[1]Download Software
[2]Erase Flash File
[3]Password Recovery Procedure
[4]Set Terminal Baud-Rate
[5]Stack Menu
[6]Back
3 Select Stack Menu to open the Stack Menu.
[1]Show Unit Stack ID
[2]Set Unit Stack ID
[3]Back
4 Select Set Unit Stack ID. Enter either a Unit ID for manual assignment or
0 to indicate that the unit ID will be assigned automatically.
NOTE:
The entire stack should be connected, as shown in Figure 4-1, before
powering up the units.
Selecting the Master and Master Backup Units
A unit is master-enabled if it assigned Unit ID 1 and Unit 2. All other units in
the stack (slaves) have unit IDs of 3-8.
The stack master assignment is performed during the configuration boot
process. One master-enabled stack member is elected as Master, and the
other master-enabled stack member is selected as Master Backup, according
to the following decision process:
• A master is selected from the set of the two Master-enabled units. Priority
is given to the lowest unit ID, but also takes into account the amount of
time the unit is UP (Up Time) as follows:
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 9 / 1 1 / 1 2 - F O R P R O O F O N LY
Contax\CxUGStacking.fm
Dell PowerConnect 55xx Systems User Guide
51