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In some scenarios you might need to isolate a group of devices from other groups, this can be done using the switch port isolation feature. This is useful when you have multiple networks but you want to use a single switch, with port isolation you can allow certain switch ports to be able to communicate through only a set of switch ports. In this example devices on ether1-4 will only be able to communicate with devices that are on ether1-4, while devices on ether5-8 will only be able to communicate with devices on ether5-8 (ether1-4 is not able to communicate with ether5-8)
To configure isolated switch groups you must first switch all ports:
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