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Major shuffling of Cisco executives afoot

Cisco announces longtime M&A chief Ned Hooper is leaving. CTO Padmasree Warrior takes over and Pankaj Patel assumes sole leadership of engineering.
vCloud and VEPA: Neither answer is a winner

vCloud and VEPA fail to address the virtualization networking problem, as both are deemed proprietary and don’t enable networking functions within the vSphere environment.
When physical security breaches are the problem

Network engineers are so busy dealing with intrusion prevention and firewalling that they forget about physical security breaches. Blogger Ethan Banks has some advice.
Cisco upgrades the Catalyst 6500…but some wonder why

The Cisco Catalyst 6500 upgrade announced this year didn't excite everyone as expected. Blogger Greg Ferro wonders why Cisco didn't stay focused on the Nexus line instead.

Networking Tutorials and Technical Guides

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NetFlow (Cisco)

NetFlow is a network protocol developed by Cisco for the collection and monitoring of network traffic flow data that is generated by most Cisco routers and switches. Definition
protocol

In information technology, a protocol (from the Greek protocollon, which was a leaf of paper glued to a manuscript volume, describing its contents) is the special set of rules that end points in a telecommunication connection use when they communicat... Definition
router

In packet-switched networks such as the Internet, a router is a device or, in some cases, software in a computer, that determines the next network point to which a packet should be forwarded toward its destination. (Continued...) Definition

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