Articles That Might Interest:

Cisco Routers

Configuring PPTP (VPDN) Server On A Cisco Router

The Point to Point Tunneling Protocol (PPTP) is a network protocol used to create VPN tunnels between public networks. These VPN tunnels are encrypted from one end to the other and allow the secure t…

Ethernet Protocol, CSMA/CD, Collisions

Propagation Delay

You may know that the minimum frame size in an Ethernet network is 64 bytes or 512 bits, including the 32 bit CRC. You may also know that the maximum length of an Ethernet cable segment is 500 meters…

SASE & SD-WAN Networks

Key Features of a True Cloud-Native SASE Service…

Secure Access Service Edge (SASE) is an architecture widely regarded as the future of enterprise networking and security. In previous articles we talked about the benefits of a converged, cloud-deliv…

Ethernet Protocol, CSMA/CD, Collisions

Differences Between Classic Ethernet And Fast Eth…

The two primary areas for concern when upgrading the network from 10Mbps to 100Mbps are cabling and hubs. As discussed on the Fast Ethernet Introduction page, in Fast Ethernet twisted pair cabling ne…

Cisco Services & Technologies

Cisco VPN Client & Windows 8 (32bit & 64bit) - Re…

The Cisco VPN client is one of the most popular Cisco tools used by administrators, engineers and end-users to connect to their remote networks and access resources. This article shows how to fix the…

Windows Workstations (XP, 7, 8, 10, 11)

Revealing & Backing Up Your Windows 8 – Windows 8…

Backing up your Windows License Product Key is essential for reinstallation of your Windows 8 or Windows 8.1 operating system. In some cases, the Genuine Microsoft Label or Certificate Of Authenticit…

Network Fundamentals

Measuring Network Performance: Test Network Throu…

Measuring network performance has always been a difficult and unclear task, mainly because most engineers and administrators are unsure which approach is best suited for their LAN or WAN network. A…

Cisco Routers

Configuring Cisco Site to Site IPSec VPN with Dyn…

This article serves as an extension to our popular Cisco VPN topics covered here on Firewall.cx. While we’ve covered Site to Site IPSec VPN Tunnel Between Cisco Routers (using static public IP addres…

Cisco Routers

Cisco Router 'Privileged' Mode

To get into Privileged Mode we enter the "Enable" command from User Exec Mode. If set, the router will prompt you for a password. Once in Privileged Mode, you will notice the prompt changes from ">…

OpManager - Network Monitoring & Management

Optimizing Cisco Router Performance: Best Practic…

Effective monitoring and management of Cisco routers and network devices are essential for ensuring a robust and efficient network infrastructure. In this article, we explore the key features and bes…

Network Fundamentals

Multicast - Understand How IP Multicast Works

Multicast is a communication method used in computer networking where data is sent from a single sender to a group of destination devices. In this method, the sender sends the data packet to a speci…

Netflow

Netflow vs SNMP. Two Different Approaches to Netw…

SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the network and in some cases discern the cause of netwo…