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User's Manual

ManualsBrandsPLANET Technology ManualsLAN SwitchesLayer 3 48-Port 10G SFP+ + 2-Port 40G QSFP+ + 4-Port 100G QSFP28 Managed Switch
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Backup Port
Figure 2.5 Backup port
When two ports of a switch connect directly or connect the same LAN, the port with relatively low priority will
run as the backup port and the other port will run as the designated port. If the designated port invalidates, the
backup port will serve as the designated port.