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How to configure STP root and load balancing using Cisco PVST/PVST+?

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by Praveen Bahethi / / Articles, Cisco, PVST/PVST+, STP
Configuring STP on Cisco switches is straightforward since STP is on by default.  This default ensures loop-free topologies when connecting Cisco Switches and is very useful in Campus and Access LANs. For our example, we'll be using the network topology below. The switches are in a triangle ... Read More
January 15, 2014Praveen Bahethi

What is Ethernet?

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by Praveen Bahethi / / Articles, Switching, Tagging
Ethernet was developed by Robert Metcalfe at Xerox PARC in the early 70s and is a packet switching technology that uses Carrier Sense Mulit-access with Collision Detection ... Read More
January 12, 2014Praveen Bahethi

What is 802.1D Spanning Tree Protocol?

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by Praveen Bahethi / / Articles, PVST, RSTP, STP, Switching
Spanning Tree Protocol (STP) was created to allow for loop-free topologies in switch architectures.  Prior to STP,  any switch architecture that had a loop would end up with duplicate frames flooding between switches causing an outage.  Radia Perlman’s algorithm resolved ... Read More
January 11, 2014Praveen Bahethi

How to configure VLANs with different VTP modes?

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by Praveen Bahethi / / Articles, Cisco, Switching, Trunking, VTP
We are going to show how VLANs are created in VTP server and propagated to other switches and how to stop the propagation, if required. The switches are in a triangle with switchA as root of the STP and configured with hostnames and ip addresses allowing us to remotely access them ... Read More
January 10, 2014Praveen Bahethi