Have you ever wondered what a Virtual LAN (or VLAN) is or been unclear as to why you would want one? To find out what is VLAN, you need to get to know what is LAN first.
Before get to know the differences between the aggregation switches and core switches, you should know the definition of the aggregation layer and core layer.
Most people may not very familiar with PoE, today we’ll introduce the benefits of PoE for you, so you can make a decision about which kind of Switch you are about to choose.
Power over Ethernet (PoE) is a networking feature defined by the IEEE 802.3af and 802.3at standards. PoE lets Ethernet cables supply power to network devices over the existing data connection.
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