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DES-3326S Layer 3 Fast Ethernet Switch User’s Guide
Switch Management and Operating Concepts 47
• The Master Switch can be chosen automatically. Switch
software auto-detects the MAC address of each Switch
in the stack. The Switch with the lowest value MAC
address is elected to function as the Master. The
remaining Switches are ordered according to the relative
value of their respective MAC addresses (see the
following example).
Determining the Switch Stack Order
Using the auto stacking mode, five MAC addresses appear in
the order listed in the table below:
Stack Order MAC Address
1(Master)
001122334451
2
001122334452
3 001122334453
4 001122334454
5 001122334455
6 Not in use
Table 5-1. Switch Stack Order − First
Now let us suppose you wish to add another Switch to this
stack. The new Switch has a MAC address 001122334450.
After rebooting all the Switches in the stack, the newly added
Switch becomes the Master Switch. The new automatically
determined stack order becomes
: