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WireShark Articles:
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Palo Alto Networks
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During the past decade, we’ve seen the global IT security market flooded with new network security and firewall security appliances. New vendors emerging…
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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 mac…
Routing
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This article covers basic OSPF concepts and operation. We explain how OSPF works, how OSPF tables are built on an OSPF-enabled router and their purpose (N…
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6 Key Areas to Consider When Selecting a VM Backup Sol…
Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud.
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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 common…
Cisco CallManager-CCME
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This article introduces basic CallManager Express (CCME) concepts by covering how a CCME router operates, how calls are setup between Cisco IP phones but…
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This article provides an in-depth explanation of PPP Multilink and shows how to configure a Cisco router to use PPP Multilink between two serial interface…
Cisco Switches
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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
End-of-Sale and End-of-Life Announcement for the Cisco…
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…





