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Cisco Data Center (Nexus/UCS)
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…
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…
Cisco CallManager-CCME
This article introduces basic CallManager Express (CCME) concepts by covering how a CCME router operates, how calls are setup between Cisco IP phones…
Cisco Routers
Chances are we’ve all needed to upgrade our Cisco’s device IOS software at some point. While upgrading the IOS software on a Cisco device is consider…

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Cisco virtual Port Channel (vPC) is a virtualization technology, launched in 2009, which allows links that are physically connected to two different…
The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configuration…
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
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 ente…
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
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. Ever…
Cisco Switches
The Cisco Catalyst Switching Portfolio is perhaps one of the most useful Cisco PDF files, containing all Catalyst series products.  The portfolio co…

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
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
This article will show how to download and upload the newer AnyConnect 4.x VPN clients to your Cisco ASA Firewall appliance (5500 & 5500-X Series) and…
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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Palo Alto Networks
During the past decade, we’ve seen the global IT security market flooded with new network security and firewall security appliances. New vendors emerging…
Palo Alto Networks
Palo Alto Networks Next-Generation Firewalls rely on the concept of security zones in order to apply security policies. This means that access lists (fire…
SASE & SD-WAN Networks
In the rush to keep pace with the many challenges facing today’s organizations, all too often networking teams end up adopting practices and processes tha…
Virtualization & VM Backup
In this article, we'll show you how to deal with VMs which are reported to have an Invalid Status as shown in the screenshot below. This is a common…