Category: Articles

07

Jan2014

How does one configure Department or Geographical VLANs?

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VLANs are used to create separate groupings of devices.  Prior to VLANs, all the devices had to be on the same switch -  users, printers and servers needed to be together had to be physically colocated.  Most often VLANs were used to separate departments, but than can be used geographically. Acme ... Read More
January 7, 2014Praveen Bahethi

06

Jan2014

What is a Linux/ Unix Shell?

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Shell is an Interface between an User and Kernel. And it interprets High Level Language into Low Level Languages which is understood by the Kernel.  There are several different shells available for Unix/Linux. One can use these shells, if they are available, on your system and switch between different shells. Different Types of ... Read More
January 6, 2014Chetan Upadhyay

03

Jan2014

What is a MAC Address?

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MAC Address stands for Media Access Control Address. It is an unique identifier which is brunt in on Network Interfaces Cards (NIC) and being used for host identification and communication between multiple hosts on a Local Area Network (LAN). MAC addresses live at Layer 2 of the OSI Model. MAC is also ... Read More
January 3, 2014Praveen Bahethi

02

Jan2014

What are VTP Modes and how is it advertised?

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There are three modes of operation for VLAN Trunking Protocol (VTP) Server allows creation, modification, and deletion VLANs and specify other configuration parameters, such as VTP version and VTP pruning, for the entire VTP domain. VTP servers advertise their VLAN configuration to other switches in the same VTP domain and synchronize their ... Read More
January 2, 2014Praveen Bahethi