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Cisco Routers
What Are MPLS Networks? Multi-Protocol Label Switching (MPLS) networks are the next-generation of networks designed to allow customers create end-to…
Cisco CallManager-CCME
Most engineers are aware that to download and install the latest Cisco CallManager Express (CCME) Graphical User Interface (GUI) files, Cisco require…
Cisco Services & Technologies
This article shows how to fix the Cisco VPN Reason 442: Failed to enable Virtual Adapter error on the Windows 7 (32bit or 64bit) operating system. If…
Cisco Routers
Welcome to the Routers section. Here we will analyse routers quite some depth; what they do and how they work. We must point out that knowlege on the…

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Data Center Articles:

This article shows how to perform an ISSU (In-Service Software Upgrade) on a Nexus Data Center switch (7000 and 7700 models) and avoid service and ne…
Cisco virtual Port Channel (vPC) is a virtualization technology, launched in 2009, which allows links that are physically connected to two different…
Whether you’re new to Cisco Nexus switches or have been working with them for years this article will show how to get around the Nexus NX-OS usi…
It’s a reality – Australia now has its own Official Cisco Data Center User Group (DCUG) and it’s growing fast! Originally inspired by Cisco Champions…

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Cisco Switches
Our previous article shows how to perform a password recovery on the Cisco Catalyst switches. This article will now explain how to disable or enable the C…
Cisco Switches
The SG500 series Cisco switches are the next step up from the already popular SG300 Layer-3 switches. Cisco introduced the SG Small Business series switch…
Cisco Switches
This article covers basic and advanced configuration of Cisco Catalyst Layer-3 switches such as the Cisco Catalyst 3560G, 3560E, 3560-X, 3750, 3750E, 3750…
Cisco Switches
This article explains the procedure that should be followed to correctly shutdown/powerdown a Cisco Nexus 7000 series module and remove it from the chassi…

Cisco Firewalls
Cisco’s Adaptive Security Appliance (ASA) Firewalls are one of the most popular and proven security solutions in the industry. Since the introduction of t…
Cisco Firewalls
This article explains how to configure a Cisco Firepower 2100 series device to operate in Appliance mode. We’ll show you how to switch from Platform mode…
Cisco Firewalls
One Appliance – One Image is what Cisco is targeting for its Next Generation Firewalls. With this vision, Cisco has created a unified software image named…
Cisco Firewalls
The Cisco ASA 5500 series security appliances have been around for quite some time and are amongst the most popular hardware firewalls available in the ma…

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Virtualization & VM Backup
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edition…
Palo Alto Networks
Discover the ins and outs of using Palo Alto Networks’ Software NGFW (Flex) credits to seamlessly renew your cloud-based or virtualized software NGFW devi…
Virtualization & VM Backup
In this article we will show you how to enable SNMP on your VMware ESXi host, configure SNMP Community string and configure your ESXi firewall to allow or…
Palo Alto Networks
This article is the second-part of our Palo Alto Networks Firewall technical articles. Our previous article was introduction to Palo Alto Networks Firewal…