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Group link control example 4, Group link control example 5 – Allied Telesis AT-8100 Series User Manual

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Chapter 31: Group Link Control

516

Figure 110. Group Link Control Example 4

If connectivity is lost on both ports 17 and 20, the downstream ports 24
and 25 are disabled.

Figure 111. Group Link Control Example 5

In the previous examples, the ports of the groups on the switch are
connected to different devices, making it possible for downstream devices
to know whether or not there are links to upstream devices. Another