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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…
Cisco Wireless
This article covers the deployment of the Cisco WLC 9800-CL cloud-based controller on the VMware ESXi platform. We explain the CPU, RAM and storage r…
Cisco Routers
In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and para…
Cisco Routers
NAT (Network Address Translation) is a method that allows the translation (modification) of IP addresses while packets/datagrams are traversing the n…

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Data Center Articles:

This article introduces the Cisco Nexus product family (Nexus 9000, Nexus 7000, Nexus 5000, Nexus 3000, Nexus 2000, Nexus 1000V and MDS 9000). We exp…
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
Cisco announces the end-of-sale and end-of-life dates for the Cisco Catalyst 3750G, 3560G, 3750-E, and 3560-E Series Switches. The last day to order the a…
Cisco Switches
Many companies are seeking for Cisco SFP alternatives to help cut down the costs on these expensive modules. A frequent customer problem with Cisco's new…
Cisco Switches
This article covers popular Layer 2 & Layer 3 network attacks with a focus on DHCP Starvation Attacks, Man-in-the-Middle attacks, unintentional rogue…
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 Firewalls
This article examines the concept of NAT Reflection, also known as NAT Loopback or Hairpinning, and shows how to configure a Cisco ASA Firewall running AS…
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 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
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…

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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…
Virtualization & VM Backup
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtual mac…
Palo Alto Networks
This article provides comprehensive guidance on the manual processes involved in downloading, uploading, and installing (import) any PAN-OS version on a P…
Netflow
SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the network…