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Cisco Routers

Cisco Router Password Recovery

Password recovery is a fairly frequently used procedure for administrators and engineers. Even though we usually stack our passwords in some word, excel or text file, it's very easy to forget to upda…

Cisco Switches

Resolving Cisco Switch & Router ‘DHCP Server Pool…

In previous articles, we showed how it is possible to configure a Cisco router or Catalyst switch to provide DHCP server services to network clients. Everything usually works without a problem, howev…

Cisco CallManager-CCME

CallManager Express & UC500 Series: Changing Back…

Cisco's CallManager Express (Cisco router platform & UC520, UC540 & UC560) offers a number of customisation features aimed to allow the CCME administrator customise the system to suite the cu…

IP Protocol

IP Protocol - Part 1: Binary & The Internet Proto…

To understand the Internet Protocol, we need to learn and understand Binary. It is very important to know and understand Binary because part of the IP protocol is also the "Subnetting" section which…

Cisco Switches

Installation of a Cisco Catalyst 4507R-E Layer 3…

Driven by our thirst for technical material and experience, we thought it would be a great idea to start presenting various installations of Cisco equipment around the globe, especially equipment tha…

Cisco Services & Technologies

The Cisco Smart Care Service & Appliance

Cisco, as most IT engineers know, covers a wide range of products and services. These range from routers to switches, firewalls, intrusion prevention systems (ips), intrusion detection systems (ids)…

Windows Servers

Installing Windows Server 2012 Active Directory v…

This article serves as an Active Directory tutorial covering installation and setup of a Windows 2012 Domain Controller using Windows Server Manager (GUI). Readers interested in performing the insta…

SASE & SD-WAN Networks

SD-WAN is the Emerging, Evolving Solution for the…

A lot has changed in how people work during the past twenty years. Co-working spaces, mobility, and the cloud now are common. Businesses are spread out and branch offices are empowered. This new fun…

Cisco Switches

Cisco Catalyst 4500 Series Zero-Downtime IOS Upgr…

The Supervisor Engine is the heart of the Cisco Catalyst 4500 and 6500 series switches. It is the equivalent of an engine in a car. Every packet that enters or exits your switch passes through the Su…

Windows Servers

Windows Server 2012 File Server Resources Manager…

The Windows Server 2008 first carried FSRM or Fie Server Resources Manager, which allowed administrators to define the file types that users could save to file servers. Windows FSRM has been a part o…

Cisco CallManager-CCME

How to Upgrade - Update Cisco ATA186 / 188 Firmwa…

The Cisco ATA 186/188 device is well known amongst any Cisco VoIP engineer. It is used allow analog phone devices to connect to the VoIP network and function as they would normally do with any other…

Cisco Services & Technologies

Unified Communications Components - Understanding…

What Is Unified Communications (UC)? Unified communications is a very popular term these days and we see it appearing on almost every vendor as they rename their platforms and products to incl…