PLANET SGSW-24040 - Manual (Page 322)

User’s Manual of SGSW-24040 / 24240 Series
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 Ring Stack: A ring of switches, thereby providing redundant forwarding paths.
Figure 4-17-2 Ring Stack topology
 Back-to-Back Stack : Two switches interconnected on both stacking ports.
Figure 4-17-3 Back to back Stack topology
4.17.1 Stack
This section provides information for understand stacking architecture, include the below items:
 Switch IDs
• Assigning and Swapping Switch IDs
• Removing a Switch From the Stack
• Replacing a Switch
• General Switch ID Assignment Rules
 Master Election
 Stack Redundancy
 Shortest Path Forwarding
4.17.1.1 Switch IDs
The Switch ID (1-16) assigned to a SGSW Switch.
 Assigning and Swapping Switch IDs
When a switch is added to the stack, a Switch ID is automatically assigned to the switch. The automatic SID assignment can