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As we discussed previously, Cisco created the Nexus Operating System (NX-OS) to power its next-generation data-center switching platform. While this new OS shares many similarities to the original IOS, there are some definite differences that you need to be aware of as you begin using it.

This white paper compares the implementation of IP Multicast in the Cisco IOS and in the Nexus OS and provides some background on the evolution and challenges of implementing multicast in the IOS is appropriate.

Are you at a crossroads professionally or looking to start training for a new job? If so, you might want to consider pursuing network administration as a career. Network administrators are responsible for maintaining computer hardware and software systems that make up a computer network, including maintaining and monitoring active data networks, converged infrastructure networks, and related network equipment.

When the hostname.domainname associated with my Small Office Home Office (SOHO) failed to update after a power outage, and a new DHCP-assigned external address was assigned to my router, I was reminded of the need for Dynamic DNS. This article will explore the implem...

Learn about the value between ITIL and TOGAF and how both can co-existence to help towards benefiting your organization with this crossover.

If you need to control the digits contained in the telephone number that enter or leave a gateway, this white paper helps you learn about digit manipulation, including adding, subtracting, and changing telephone numbers.

Train with us and learn basic to advanced skills and techniques to develop iOS mobile apps.

Cloud computing is constantly reshaping the way we work, learn and play. Let's look at 10 ways the cloud will (and to a large degree already has) changed the world.

Before implementing Cloud Computing, it's important to consider the security - learn the risks & benefits to be sure it is the right solution for you.