What is the difference between a Layer 3 switch and a router?

Question

network hardware

There are three Layer 2 switches in the local network. You need a Layer 3 device with NAT. Which is better switch or router?

Answer 1

a layer 3 switch remains a switch, its device and functionality are designed primarily for switching ethernet frames. router - for routing ip packets.
nat is work with ip-packets.

Answer 2

An L3 switch can do a bit of dynamic routing and even MPLS. But since such a switch does not have many resources (CPU, RAM), it cannot do NAT, firewall, VPN and keep large routing tables in memory, unlike a router.

Answer 3

Answered already