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Cisco CallManager-CCME
This article will show how to configure CallManager Express (CME) for the IP phone firmware upgrade process. Upgrading your Cisco IP phones is generally a good practice, especially when upgrading you…
Network Fundamentals
A long-long time ago (not long ago in earth time) 100 Mbps was THE technology. 100 Mbps uplinks bundled with ether-channel was the ultimate uplink technology. This was the prevailing technology durin…
Web Application Vulnerability Scanners
22nd May 2018: Acunetix, the pioneer in automated web application security software, has announced the release of version 12. This new version provides support for JavaScript ES7 to better analyse si…
Network Fundamentals
A MAC address, or Media Access Control address, is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. It i…
Virtualization & VM Backup
In this article we will cover the differences between VMware ESXi, vSphere and vCenter while also explain the features supported by each vSphere edition: vSphere Standard, Enterprise plus and Plantiu…
Routing
Open Shortest Path First (OSPF) is a popular routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force…
Ethernet Protocol, CSMA/CD, Collisions
In this example, we will refer to an imaginary Ethernet network consisting of Stations A and B and any number of other stations. The status of the network is such that the wire is idle (nobody is tal…
VPN Services & Guides
It was just a matter of time until the new global wave of government site blocking at the ISP level arrived in Australia. In mid-December 2016, the Federal Court ruled that Internet companies would n…
Web Application Vulnerability Scanners
Acunetix has just released their annual Web Application Vulnerability report which aims to provide security professionals, web application developers, system administrators, web server administrators…
Cisco Wireless
Cisco Wireless Controllers (WLC) support the configuration of Link Aggregation (IEEE 802.3ad - LAG) which bundles the controller ports into a single port channel. This helps simplify the configuratio…
Windows Servers
With the release of Hyper-V vNext just around the corner, Altaro has organized a Free webinar that will take you right into the new Hyper-V vNext release. Microsoft Hyper-V MVP, Aidan Finn and Micros…
SASE & SD-WAN Networks
By: Shlomo Kramer, Check Point Software & Cato Networks Co-Founder As one of the founders of Check Point Software and more recently Cato Networks, I’m often asked for my opinion on the future of…

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