A layer 3 switch is used like a router. Places where a layer 3 switch can be purchased include the Cisco website, Amazon, eBay and Central Computers. The happyrouter website provides comparisons and further information.
router operates on Layer 3 and can be used as a switch
It is a layer 3 switch
I believe there is no such thing as switching "from layer 3 to layer 2". Switching is either done within layer 3, or within layer 2.
both are the common inter networking devices(functionally) but the layer 3 switch has the functionality of both switch and router, layer 3 switch are most commonly used in frame relay networks, layer 3 switches are also capable of inter vlan routing
network layer
No, it is not, regardless the image.
i do no
layer 3 layer 3 Switch/ Bridges / Hubs works at layer 2 as they utilizes MAC address to communicate. However i aggree above stated answer as there are some layer three switches that work at Layer3 i.e. Network Layer. Dhruv
Layer 3
Depending on the IOS on the switch it will have either layer 3 functionality (EMI) or just layer 2 functionality (SMI).
global configuration mode
A layer 3 switch has routing capability like a router. However, it also has layer 2 switching capabilities like a switch. To fulfill both functions, layer 3 switches will generally have a greater number of ports than most routers.