***Switching at layer 3***
[link|http:// https://www.cbo-it.de/en/blog/networking-basic/basic-facts-about-layer-2-layer-3-switches-learn-what-the-difference-is.html|***Layer 3 switches***]enable IP address configuration on Ethernet ports, Virtual Routing Interfaces, Loopback Interfaces, and GRE tunnels. Every IP address on a Layer 3 switch belongs to a different subnet. Interfaces on a ***layer 3 switch*** can belong to one or more subnets. Layer 3 switches can have two IP addresses set up at the same time, but IP addresses 192.168.1.1/24 and 192.168.2.1/24 cannot be configured at the same time. A single IP address can be configured on more than one interface. A Layer 3 switch model determines how many IP addresses you can configure on an individual interface. The Layer 3 switch can be managed using any of the IP addresses that are configured.
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[link|http:// https://www.cbo-it.de/en/blog/networking-basic/basic-facts-about-layer-2-layer-3-switches-learn-what-the-difference-is.html|https://www.cbo-it.de/en/blog/networking-basic/basic-facts-about-layer-2-layer-3-switches-learn-what-the-difference-is.html]