Cisco music sensation Mix Master Mitch has released his latest video titled: Cisco Medianet: Application Performance Monitoring with NetFlow .  This newest video includes a larger cast and BIG stars including Mix Master Mitch (Mitch Wilson), Kristin Korda, Tyler Beck, Evan Van Orsdel, Rick Hustus and Paul Lablond.  It even has a cameo appearance from the Plixer President and CEO – Michael Patterson.

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Today I’ll cover the importance of VoIP DSCP prioritization when NetFlow reporting.  We have 3 employees that work remotely in Central Maine, Pennsylvania, and Florida.  They all have Cisco routers and are exporting VoIP data to our NetFlow Analyzer server.  Read the Cisco Medianet Deployment Guide to learn more about setting this up.

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Mix Master Mitch has created another video and this time it is on Monitor Webex with NetFlow and was created in time for Cisco Live 2012.  His new video can be found on Youtube.

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A NetFlow Collector allows you to monitor Cisco’s Telepresence technology. This ability is very important considering remote employees are becoming more prevalent in today’s modern IT world. The real question is: how do you monitor Cisco Telepresence traffic with NetFlow? First let’s take a look at:  what is Cisco Telepresence?

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A few employees here work remotely and use VoIP when connecting to the PBX here at corporate. We recently upgraded the router of one of the employees who works from home to Cisco IOS v15.1.(3)T to take advantage of the Cisco Performance Monitoring NetFlow exports.

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Are you thinking about migrating to Flexible NetFlow (aka FnF)?   If you are, you are probably aware that FnF brings the following to NetFlow:

• NetFlow NBAR for application recognition
• Performance Monitoring “Cisco Medianet”
• Layer 2 information
• Export to unlimited collectors
• Much more…..

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Today’s topic is Nagios, a network infrastructure monitoring software. Nagios can monitor anywhere from SNMP to internal system trending, but did you know that it could monitor NetFlow? Nagios cannot do this alone; it requires an additional 3rd party plugin. But with this NetFlow plugin, your Nagios is now transformed into a Nagios NetFlow Analysis tool. Now you can monitor NetFlow on your Cisco medianet or SonicWALL devices through your Nagios software. But wait, there’s more! Read more »

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NetFlow has come a long way in the last few years.  For example, here’s a list of some new information that can now be monitored and filtered on by exporting NetFlow or IPFIX packets from your routers, switches, and firewalls.

•    Medianet
•    Host/Application Latency
•    VoIP with Caller ID
•    Configuring Cisco ASA NetFlow Exports
•    NBAR
•    URLs
•    Mac Address and VLAN

Now that’s a whole lot of information that you can get from your NetFlow Analyzer!

So what is all this new information?

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For those of you interested in setting up Cisco Performance reporting via Flexible NetFlow to gain latency insight into your Medianet (E.g. VoIP, Video, etc.), I’ll provide the Flexible NetFlow configuration instructions in this post.

This will allow the Cisco router to export additional characteristics about each flow:

• Jitter: the variation in delay viewed at a particular point compared with the source. Ideally, this value shouldn’t go above 5ms.
• Packet loss: loss of datagrams in the connection
• Transport Event Packet Loss: indicates a loss of an unknown number of a sequential run of packets.
• Round Trip Time: calculated via measuring the time delta between the SYN and the ACK of the TCP flags.

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Q: What is a Cisco Borderless Network?

A: The Cisco Secure Borderless Network architecture integrates security into the distributed network and enables customers to build flexible solutions to meet evolving business and security challenges. Think about mobile phones for a minute, is your network securing them or secure from them? Cisco Borderless Networks claim to deliver the new workspace experience, connecting anyone, anywhere, using any device, to any resource – securely, reliably, seemlessly. Watch a few Cisco Customers explain it. In truth, most of us already have a borderless network in place. Can you VPN into the business network from home? That would be one example.

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