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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 Routers
In today's network environment, redundancy is one of the most important aspects, whether its on the LAN side or on the WAN side. In this topic we wil…
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…
Cisco Routers
Setting up a Windows VPDN connection is a required task in order to connect to a remote network. In previous articles we covered the set up of a VPDN…

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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…
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…
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…
Cisco virtual Port Channel (vPC) is a virtualization technology, launched in 2009, which allows links that are physically connected to two different…

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Cisco Switches
This article shows how to reset a password on a Cisco Catalyst 3750-X (stacked or single unit) and Cisco Catalyst 3560-x switch without losing its startup…
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
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
Driven by our thirst for technical material and experience, we thought it would be a great idea to start presenting various installations of Cisco equipme…

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…
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
In late 2014, Cisco announced the new licensing model for the latest AnyConnect Secure Mobility client v4.x. With this new version, Cisco introduced a num…
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…

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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…
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…
SASE & SD-WAN Networks
With so much enterprise network traffic now destined for the cloud, backhauling traffic across an expensive MPLS connection to a data center to apply secu…
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…