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Cisco Routers

Installing Security Device Manager (SDM) on a C...

For years now, Cisco has been developing its Security Device Manager (SDM) software. This web-based software is designed to help the less experienc...
Cisco Wireless

Introduction To Cisco Wireless Controllers (WLC...

The Cisco Wireless Controller (WLC) series devices provide a single solution to configure, manage and support corporate wireless networks, regardle...
Cisco Switches

Cisco 4507R+E Layer 3 Installation: Redundant W...

It's no news that we here at Firewall.cx enjoy writing about our installations of Cisco equipment and especially devices that we don’t get to see a...
Cisco Routers

Configuring Policy-Based Routing (PBR) with IP ...

What is Policy-Based Routing? Policy-Based Routing (PBR) is a very popular feature in Cisco routers, it allows the creation of policies that can s...

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Data Center Articles:

Nexus 7000/7700 Software Upgrade via ISSU. Comp...

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 ...

NEXUS NX-OS: Useful Commands, CLI Scripting, Hi...

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 u...

Complete Guide to Nexus Checkpoint & Rollback F...

The Cisco NX-OS checkpoint feature provides the capability to capture at any time a snapshot (backup) of the Cisco Nexus configurati...

Join Australia’s First Official Cisco Data Cent...

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 Champio...

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Cisco Switches

VLAN Security Tips - Best Practices

This article focuses on VLAN Security and its implementation within the business network environment. We provide tips and Cisco CLI commands that will h...
Cisco Switches

Discover Features & Capabilities - Cisco Catalyst 38...

There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Cata...
Cisco Switches

Cisco Catalyst 4500 Series Zero-Downtime IOS Upgrade...

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 en...
Cisco Switches

Installation and Setup of Cisco SG500-52P - 500 Seri...

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 swit...

Cisco Firewalls

Upgrading - Uploading AnyConnect Secure Mobility Cli...

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) a...
Cisco Firewalls

Understand & Configure NAT Reflection, NAT Loopback,...

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 ...
Cisco Firewalls

Cisco ASA 5500-X Series Firewall with IPS, ASA CX & ...

The Cisco ASA Firewall 5500-X series has evolved from the previous ASA 5500 Firewall series, designed to protect mission critical corporate networks and...
Cisco Firewalls

Cisco ASA 5500 Series Firewall Modules & Cards – Con...

Cisco’s Adaptive Security Appliance (ASA) Firewalls are one of the most popular and proven security solutions in the industry. Since the introduction of...

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Virtualization & VM Backup

How to Fix VMware ESXi Virtual Machine 'Invalid Status'

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 commo...
SASE & SD-WAN Networks

Check Point Software and Cato Networks Co-Founder Sh...

By: Shlomo Kramer, Check Point Software & Cato Networks Co-Founder As one of the founders of Check Point Software and more recently Cato Networks, ...
Virtualization & VM Backup

8 Critical Features to Have in a VM Backup Solution

Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtual m...
Virtualization & VM Backup

SysAdmin Day 2020 - Get your Free Amazon Voucher & G...

SysAdmin Day has arrived, and with it, gratitude for all the unsung heroes that 2020 has needed. Your hard work has made it possible for all of us to ke...