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An access switch is a switch that almost always only runs Layer 2 or Ethernet, it does not router packers only forwards frames. An access switch may only have end user computers attached and a connection (or multiple connections using LACP) to the core switch.You may also have servers connected to theaccess switch, but this may or may not be a good idea.n access switch may only have end user computers attached and a connection (or multiple connections using LACP) to the core switch. You may also have servers connected to theaccess switch, but this may or may not be a good idea.
A network switch is a computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device. A network switch is a multiport network bridge that uses hardware addresses to process and forward data at the data link layer of the OSI model. Some switches can also process data at the network layer by additionally incorporating routing functionality. Such switches are commonly known as layer-3 switches