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Borderless Networks Bits and Pieces This Week & How to Win an iPad

In the next few weeks we have a couple great webinars coming up, we’ve recently been investing in our community, the Unified Access Challenge was extended until April 26, and the Supervisor 720 Engine for the Catalyst 6500 turned 10 on Sunday! Read More »

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Catalyst 6500 Speaks: Happy Birthday Sup720, Here’s To The Big 10

Cat6k Happy BirthdayOr in IPv6 speak, you’re an “A”, for Awesome

Today Supervisor 720, the most widely deployed Catalyst 6500 Supervisor Engine, turns 10-years old.

Supervisor 720 was launched on March 31, 2003. It enabled me to be the first modular switch to support true 10G Ethernet . Supervisor 720 has brought extensive feature set such as MPLS, VPNs, and VSS over the last 10 years.  If has also spread throughout the world over the last 10 years as the graphic (created using Tableau) shows. Read More »

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Demystifying the Catalyst: Video Application Monitoring and Troubleshooting

In my previous blog, we looked at how Catalyst switches can be used to assess video application readiness in the network before rolling out a video based collaboration application. In this blog, let us take a look at available tools on the Catalyst switches to monitor and troubleshoot video problems in the network.

As we know, fundamentally, video traffic is different from data traffic.  Video traffic is more dynamic and bandwidth intensive and even small changes in delay or loss can cause visible disruptions to user experience. Routinely, IT trouble tickets are opened by users that are faced with degraded video experience.  To add to that, interactive video is real time. Any delay in troubleshooting will make IT miss the window to rectify the problem. For a firm with many locations and buildings, finding the problem can be complex and time consuming without the right tools. 

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Demystifying the Catalyst: The Basics of Application Visibility in the Network

What is Flexible NetFlow and why should you use it? In this blog post, let’s take a look at the basics of Application Visibility in the network for capacity planning and security.

In an enterprise, hundreds of applications are accessed by users from different locations within the campus and remotely from a branch or home. The application usage is usually not known beforehand and increases non-uniformly over time. This non-uniform app usage translates to non-uniform increases in traffic across the network which complicates capacity planning. Another complexity to capacity planning is that there can be sudden spikes in the traffic due to security issues such as internal security breaches, viruses, Denial of Service attacks, or network-propagated worms. IT administrators should not wait for these incidents to happen in order to tackle them. Instead, administrators must have the ability to see the usage pattern in advance for capacity planning and security incident detection and remediation.

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Catalyst 6500 Speaks: I’m Alive and Well, Thank You!

 “Rumors of My Death…”

I’m always amazed by how the rumor mill continues to try to kill off people and products. The American author, Mark Twain, once felt compelled to write, “The report of my death was an exaggeration.” and I know how he feels!

It happened to Sir Paul McCartney, when the Beatles were still an active band. It happened to that iconic sports car, the Porsche 911, in the mid-70s. Quick… who remembers the Porsche 928? More importantly, who doubts that the 911 still delivers class-leading performance?

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