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Cisco Services & Technologies
By: Arani Mukherjee & Chris Partsenidis For a successful networking professional it is essential to gain information on-the-fly about the network infrastructure he or she is working on. For a su…
Cisco Services & Technologies
Apple Mac OS X users are frequently faced with the Cisco VPN Client Error 51 - Unable to Communicate with the VPN Subsystem as shown in the screenshot below: When this error is produced, users wil…
Cisco Services & Technologies
This article shows to how correctly install Cisco VPN Client (32 & 64 bit) on Windows 10 (32 & 64 bit) using simple steps, overcome the ‘This app can’t run on this PC’ installation error, plu…
ManageEngine
Cybersecurity frameworks continue to evolve as organisations face increasingly sophisticated threats. Recent updates to widely adopted baseline security standards are raising the bar—placing stronger…
Ethernet Protocol, CSMA/CD, Collisions
The device driver software receives a frame of IP, IPX, NetBIOS, or other higher-layer protocol data. From this data, the device driver constructs a frame, with appropriate Ethernet header informatio…
Cisco CallManager-CCME
Firewall.cx readers can now download free Cisco firmware files for all Cisco IP Phones & Cisco ATA devices. Our new Cisco IP Phone & ATA Firmware Download section contains the latest SCCP (Sk…
Windows Servers
Our previous articles covered basic concepts of Virtualization along with the installation and monitoring of Windows 2012 Hyper-V. This article takes the next step, which is the installation of a gue…
Cisco Services & Technologies
Windows 10 latest update 1607 code named Anniversary update promises to introduce a number of significant enhancements including breaking your trustworthy Cisco IPSec VPN client. After installing the…
Ethernet Protocol, CSMA/CD, Collisions
The following is a description of the Ethernet Frame Format described in the IEEE 802.3 Specification. The 802.3 Specification defines a 14 byte Data Link Header followed by a Logical Link Control He…
ManageEngine
With digital transformation revolutionizing the IT industry, Artificial Intelligence for IT Operations (AIOps) has become one of the hottest topics in the IT operations management (ITOM) space. At t…
Windows Servers
System Center Virtual Machine Manager (SCVMM) provides some great automation benefits for those organizations that can afford the hefty price tag. However, if SCVMM isn’t a cost effective solution fo…
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 security policy no longer makes sense. Software-d…

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