A layer 3 switch is still a router, but often does not have all the "features" of something that might be labeled a router. A layer 3 switch is often used between subnets inside a LAN whereas a...
1. Router works on L3 only while L3 switch can works on L3 and L2 also.3. L3 switches do not have WAN interfaces but Routers have.4. L3 switches doesnt support NAT while Routers support.
They perform the same function, but in general, the term "layer 3 switch" is used to describe a device that performs most of its packet processing in hardware, thus reducing latency and improving...
what is characteristic of the operation of a layer 2 switch?
As described on Cisco's website (http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/nd2002.htm):
"The difference between Layer 2 and...
Routers have a little bit more of intelligence because you can configure using them routing table also routers can optimize your connection. Switches do not have such options.