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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 experienced users and administrators to work and configure ...

Linux - Unix

Installing & Configuring Linux Webmin - Linux W...

For many engineers and administrators, maintaining a Linux system can be a daunting task, especially if there’s limited time or experience. Working in shell mode, editing files, restart...

VLAN Networks

Static VLANs

VLANs are usually created by the network administrator, assigning each port of every switch to a VLAN. Depending on the network infrastructure and security policies, the assignment of VLANs can be ...

VLAN Networks

VTP Pruning

VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trunks. When VTP pruning is enabled on a trunk, t...

Virtualization & VM Backup

8 Critical Features to Have in a VM Backup Solu...

Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtual machines stems from the benefits of virtualiza...

Cisco Services & Technologies

Renewing Cisco Certifications without sitting f...

Without a doubt, Cisco certifications and specializations are among the most popular vendor certifications in the IT industry, and earning them doesn’t come easy. Anyone who’s achieved a Cisco cert...

ICMP Protocol

ICMP Protocol - Part 7: Time Exceeded Message A...

The ICMP - Time Exceeded message is one which is usually created by gateways or routers. In order to fully understand this ICMP message, you must be familiar with the IP header within a packet. Our...

Windows Servers

New Upcoming Features in Hyper-V vNext - Free ...

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 Micr...

Windows Servers

Configuring Local Group Policy for Windows 2003

Windows 2003 Group Policies allow the administrators to efficiently manage a group of people accessing a resource. Group policies can be used to control both the users and the computers. They give...

Cisco Data Center (Nexus/UCS)

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 Champions Chris Partsenidis and Derek Hennessy, the idea ...

Cisco Routers

Configuring Site to Site IPSec VPN Tunnel Betwe...

Site-to-Site IPSec VPN Tunnels are used to allow the secure transmission of data, voice and video between two sites (e.g offices or branches). The VPN tunnel is created over the Internet public net...

Cisco Routers

How To Secure Your Cisco Router Using Cisco Aut...

In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and parameters with different security implications for ...