D-Link DES-3226 User Manual page 53

DES-3226S Layer 2 Fast Ethernet Switch User's Guide
Now move the management station's console connection (via the serial port) to the Switch with MAC address 00-11-33-44-55-
60, and enter the following command:
config stacking mode master
This will configure the Switch with MAC address 00-11-33-44-55-60 to always have a Unit number of 1 (as the master).
You can then use the show stacking command to verify the stacking configuration, as shown below:
Figure 6 - 13. config stacking Command
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