![]() If you don’t have a Layer3 switch available, you can also configure InterVLAN routing using a simple Layer2 switch and a Router (also called Router-on-a-Stick). The above feature means that you can implement Layer 3 functionality in your network without using a regular router. ![]() Moreover, you can configure also a Switch Virtual Interface ( SVI) with the “ interface vlan” command which acts as a virtual layer 3 interface on the Layer3 switch. That is, you can assign an IP address directly on the routed port. On a Layer3-capable switch, the port interfaces work as Layer 2 access ports by default, but you can also configure them as “ Routed Ports” which act as normal router interfaces. For example, some switch models that support layer 3 routing are the 3550, 3750, 3560 etc. UPDATED: 2020 – Cisco Catalyst switches equipped with the Enhanced Multilayer Image (EMI) can work as Layer 3 devices with full routing capabilities. ![]()
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