Layer 2 vs Layer 3 Switch: Which One Do You Need? | FS

Layer 2 vs Layer 3 Switch: How to Choose for VLAN? Jun 15, 2018 4.3.8 Packet Tracer – Configure Layer 3 Switching and Feb 15, 2020

Layer 3 Switch Vs Router: What Is Your Best Bet? | FS

Hi Dan, As it is a layer 3 switch you will be able to configure routing and routing between the vlans which is intervlan routing. To configure intervlan routing you have to configure logical interface for vlans after creating the vlans in vlan database and then assign them an ip address. Layer 3 Switch Vs Router: What Is Your Best Bet? | FS A layer 3 switch is a device that forwards traffic (frames) based on layer 3 information (mainly through mac-address). Layer 3 switch supports all switching features, while also has some basic routing functions to route between the VLANs. Layer 3 switch is conceived as a technology to improve network routing performance on large LANs.

At Layer 3, routers will use dynamic routing protocols (generally Open Shortest Path First or OSPF and BGP in most enterprises) to present a robust network that handles site-to-site link failures and minimizes the burden of IP management. Layer 2 Spanning Tree Protocol.

Layer 3 routing on the MX is process switched. Routing is jut another process on the MX appliance. Packets are forwarded based on the kernel scheduler. Layer 3 routing on a traditional Catalyst switch will be hardware switched. When a packet arrives on the ingress queue, hardware asics do what they do. Layer 3 Routing - The Meraki Community If the Alcatel only has that one layer 3 interface then you don't need to route anything via it (you need at least two layer 3 interfaces to really do routing). In that case you would simply add a layer 3 interface for that subnet onto one of your other devices, such as your core switches. 0 Kudos Reply.