Tag: Layer3

19

Jan2014

What is Routing?

Imagine having to travel in Paris, France, from the Vendome to the Eiffel Tower. This path would require us to use a map and review the streets and turns we would take. In networking, packets don't get a map and aren't smart enough to review the path ahead of time. ... Read More
January 19, 2014Praveen Bahethi

28

Dec2013

Why do we use VLANs?

Virtual Local Area Networks (VLAN) came about from the need to isolate broadcast domains with in a switch without using routers.  Router do not forward broadcasts, but back in the 90's they were not very fast compared to switches.  Router Layer 3 functions were done in processor and switch Layer ... Read More
December 28, 2013Praveen Bahethi