PLANET SGS-5220-24P2X - Manual (Page 341)

User’s Manual of SGS-5220 Series
Figure 4-19-4 Remove or Replace a switch from the stack
4.19.1.4 Shortest Path Forwarding
The SGS-5220 Series Swtich supports shortest path forwarding technology to optimal data flow across the stack. The
advantage of shortest path forwarding as below:

Automatic Loop Prevention – Using Time To Live (TTL) information in the stack-header

Utilize all stack links in the ring .
Figure 4-19-5 True Ring Topology
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