A MAC address is a unique identifier for a network adapter. MAC addresses are used in the media access control protocol sublayer of the data link layer of a network. A MAC address can be used to identify the manufacturer of a network card or other networking device. MAC addresses are sometimes referred to as … Read more
A VLAN (Virtual Local Area Network) header is a small piece of information added to Ethernet frames to identify which VLAN the frame belongs to. It allows a single physical network to be logically divided into multiple separate broadcast domains or virtual networks. By implementing VLANs, network administrators can enhance security, improve performance, and simplify … Read more
Spanning Tree Modes Spanning Tree Modes are essential protocols used in computer networking to prevent loops and broadcast storms in redundant network topologies. These protocols ensure that only one path exists between any two nodes in a network at any given time, preventing data collisions and packet loss. This article will cover the three primary … Read more
What is HSRP? The Hot Standby Router Protocol (HSRP) is a Cisco-proprietary redundancy protocol that is used to provide redundancy for the default gateway on a network. HSRP provides for automatic failover in the event of router or link failure. In HSRP, a group of routers works together to appear as a single virtual router … Read more
In this article, we learn how to work and use STP loop protection in the Cisco switch. We can use STP loop protection with CST, PVST+, and RPVST+. You can see here ( Networking Signal ) that this is a great way to prevent loops. STP Loop Protection By Using Root Guard Root Guard: It is … Read more