Tag Archives: router

Quality Of Service – QOS – Explained with Example.

What Is QoS? Quality of Service (QoS) in networking refers to the management of network resources to ensure the best performance of specific types of data transmission. The primary goal of QoS is to provide priority, including dedicated bandwidth, controlled jitter and congestion, and improved loss situations. It’s used to guarantee a certain level of a network service’s… Read More »

Network Security with Cisco Routers.

How to Secure Your Network with Cisco Routers Before we look at how to secure Cisco routers, let’s briefly summarise the role routers play in network security The Role of Routers in Network Security As you must know, routers are used for forwarding traffic between different networks based on Layer 3 IP addresses and provide access to network… Read More »

Point-to-Point Protocol -PPP Explained with Examples.

What is PPP? A point-to-point connection is the most common type of WAN connection. PPP connections are used to connect LANs to service provider WANs and to connect LAN segments within an organization network. A LAN-to-WAN point-to-point connection is also referred to as a serial connection or leased-line connection because the lines are leased from a carrier (usually a telephone company)… Read More »

Port Address Translation Explained with Examples.

What is NAT Overload or Port Address Translation PAT. NAT overload sometimes called PAT (Port Address Translation) maps multiple unregistered or private IP addresses to a single registered or public IP address by using different ports. This is what most home broadband routers do. Your ISP assigns an IP address to your router, but you find out that… Read More »

Network Address Translation – NAT Explained with Examples.

What is Network Address Translation (NAT)? Network Address Translation (NAT) is a method used in networking to modify network address information in the header of IP packets while they are in transit across a traffic routing device. The primary purpose of NAT is to enable multiple devices on a local network to access the internet using a single public… Read More »