Tag Archives: acls

Reflexive ACLs Explained with Examples.

What are Reflexive ACLs? Reflexive ACLS also known as IP-Session-Filtering ACLs is used to allow traffic sessions from a source network while denying IP traffic for sessions coming from outside the network. It allows a network administrator to dynamically enable a network filtering router to manage session traffic. The router examines the outbound traffic and when it sees… Read More »

Network Monitoring Tools.

What are the Ways to Monitor your Computer Network? Monitoring the network can be a tedious task, especially when it’s a large one. As a network administrator, you have to ensure that your computer network systems are running smoothly and that no outages occur on your watch. Keeping a constant eye on your network helps to increase the… 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 »

Site-to-Site VPN Access Explained with Examples.

What is Site-to-Site VPNs? Site-to-site VPNs securely connect entire organisation networks together; e.g. site-to-site VPNs can be used to connect a branch or remote office network to a company headquarters network. It allow multiple locations to securely connect to each other over the internet, creating a virtual network that spans across different physical sites. This type of VPN… Read More »