Cisco 500 Series Administration Manual page 79

5
Administration: Stack Management
Unit ID Assignment
The following shows a case where one of the duplicate units (auto-numbered) is
renumbered.
Duplicate Unit Renumbered
The following shows a case where one of the duplicate units is renumbered. The
one with the lower MAC retains its unit ID (see Master Selection Process for a
description of this process).
Duplication Between Two Units With Auto Number Unit ID
If a new stack has more than the maximum number of units (8), all extra units are shut
NOTE
down.
77 Cisco 500 Series Stackable Managed Switch Administration Guide