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Cisco CallManager-CCME

Unity Express License Setup & Installation - Soft…

Unity Express provides any organization with a quick and convenient way to manage voicemail, auto attendant and interactive voice response (IVR) services. These services are provided within the…

Cisco Data Center (Nexus/UCS)

Complete Guide to Nexus Checkpoint & Rollback Fea…

The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration before making any changes. The captured configura…

Cisco CallManager-CCME

Cisco CallManager Express CME v8.8 & v9.0 GUI Web…

Cisco's CallManager Express GUI interface is an important part of the CallManager Express product as it provides the ability to administer CME via a web browser. Generally, the CME GUI interface is e…

Windows Servers

Introduction To Windows Server 2012 R2 Virtualiza…

FREE Hyper-V & VMware Backup: FREE for Firewall.cx readers for a Limited Time! Download Now! Virtualization is an abstraction layer that creates separate distinct virtual environmen…

Network Protocol Analyzers

Advanced Network Protocol Analyzer Review: Colaso…

Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the version has bumped from 7.6.1 to 11.1.2+, kee…

Cisco Routers

Troubleshooting PPP Internet Connection On A Cisc…

The Point-to-Point Protocol is one of the most popular protocols around used by engineers, ISPs and companies around the globe for authentication of remote users & router equipment. The most com…

Cisco Services & Technologies

Understanding Cisco Dynamic Multipoint VPN - DMVP…

Dynamic Multipoint VPN (DMVPN) is Cisco’s answer to the increasing demands of enterprise companies to be able to connect branch offices with head offices and between each other while keeping costs lo…

Palo Alto Networks

Complete Guide: Configuring IPSec VPN between Pal…

This article will show you how to configure an IPSec VPN tunnel between a Palo Alto firewall (all PANOS versions) and Meraki MX security appliance. Our comprehensive guide includes IPSec VPN setup fo…

Network Protocol Analyzers

Introducing Colasoft Unified Performance Manageme…

Colasoft Unified Performance Management (UPM) is a business-oriented network performance management system, which analyzes network performance, quality, fault, and security issues based on business…

OpManager - Network Monitoring & Management

AIOps for Modern IT Operations: Automating Monito…

The days of relying solely on static monitoring dashboards and manual firefighting are long gone. Today’s environments demand automation-first operations, real-time observability across every layer…

Linux - Unix

The Linux File System

A file system is nothing more than the way the computer stores and retrieves all your files. These files include your documents, programs, help files, games, music etc. In the Windows world we have t…

Network Address Translation - NAT

Network Address Translation (NAT) Overload - Part…

NAT Overload is the most common NAT method used throughout all networks that connect to the Internet. This is because of the way it functions and the limitations it can overcome, and we'll explore al…