Category Archives: Routing Protocol

Understanding IPv4 / IPv6 Static Route. Configuration Example.

What is Static Route? Static routing is when network administrators manually add or configure routes on each router interface with IP addresses. This can be a challenging task, particularly in the management of large networks. Dynamic routing protocols, on the other hand, automate the process of updating routing tables and exchanging route information between routers. This can greatly… Read More »

Static and Dynamic NAT – Explained with Examples.

What is Static and Dynamic NAT? Both static and dynamic NAT require that enough public addresses are available to satisfy the total number of simultaneous user sessions. What is Static NAT Static NAT also called inbound mapping, is the process of mapping an unregistered IP address to a registered IP address on a one-to-one basis. The unregistered or… Read More »

Understanding Switch Root Port.

How Is Root Port Selected on a Switch? The concept of a “Root Port” falls in the operational area of the Spanning Tree Protocol (STP) , particularly in Ethernet networks using switches. STP is a network protocol designed to prevent loop formation in networks with redundant paths. Within the context of STP, the Root Port plays a crucial… Read More »

What is VTY Telnet Access?

VTY (Virtual Teletype) Telnet access refers to a method of remote access to a network device, such as a router or switch, through the Telnet protocol using virtual terminal lines. This method is widely used in network management. Let’s break down these concepts for a comprehensive understanding: Virtual Teletype (VTY): VTY is a virtual port on a network… Read More »

Understanding Windows Firewall.

Windows Firewall Explained with Example A firewall is a hardware or software that monitors the traffic moving through a network gateway. A firewall can be configured to block or allow traffic based on defined criteria (ACLs). Firewalls block or allow random pings from a remote site to your computer or programs from your computer that attempt to access… Read More »