Not The Cisco of John Chambers Anymore
I just got back from Cisco Live 2017 last night and I had a blast at the show. There was a lot of discussion about new architectures, new licensing models, and of course, Tech Field Day Extra. However, one of the most interesting topics went largely under the radar. I think we’re fully in the transition of Cisco away from being the Company of John Chambers.
Steering A Tall Ship
John Chambers wasn’t the first CEO of Cisco. But he’s the one that most people would recognize. He transformed the company into the juggernaut that it is today. He watched Cisco ascend to the leader in the networking space and helped it transform into a company that embraced voice, security, and even servers and compute as new business models.
John’s Cisco is a very unique animal. It’s not a single company. It’s a collection of many independent companies with their own structures and goals all competing with each other for resources. If John decided that UCS was more important to his goals this quarter, he shifted some of the support assets to focus on that business unit. It was a featured product, complete with healthy discounts to encourage user adoption.
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Worth Reading: Subscription based networking
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Building Our New Website: A video about the user experience of multilingual websites
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Dan York
Dark Fiber and Cisco OTV – Basic Approach and connectivity
Today I am going to discuss on the connectivity of the two datacenter and in the Active-Active state or you can called them as Connecting Multiple Active Datacenter with OTV and Dark Fiber.
First let's talk about the technologies, Cisco OTV is a Overlay Transport Virtualization technology and is used to extend the LAN segments across the datacenter or in other words you can say that extending the Layer 2 traffic over the Layer 3 network.
Note : Cisco OTV supports on Cisco Nexus 7K series switches and is not supported in Cisco Nexus 9K Switches.
Cisco OTV- Overlay Transport Virtualization technology
As I said, that Cisco OTV is the way to extend your layer 2 network across the datacenter via the Layer 3 links. OTV actually works on the MAC routing concept.
MAC and Routing ..What :)
Yes, control plane protocol in Cisco OTV is used to exchange MAC reachability information between network devices providing LAN extension functionality. This is a huge change from Layer 2 switching that traditionally leverages data plane learning, and it is justified by the need to limit flooding of Layer 2 traffic across the transport infrastructure.
Layer 2 communications between sites Continue reading
First let's talk about the technologies, Cisco OTV is a Overlay Transport Virtualization technology and is used to extend the LAN segments across the datacenter or in other words you can say that extending the Layer 2 traffic over the Layer 3 network.
Note : Cisco OTV supports on Cisco Nexus 7K series switches and is not supported in Cisco Nexus 9K Switches.
Cisco OTV- Overlay Transport Virtualization technology
As I said, that Cisco OTV is the way to extend your layer 2 network across the datacenter via the Layer 3 links. OTV actually works on the MAC routing concept.
MAC and Routing ..What :)
Yes, control plane protocol in Cisco OTV is used to exchange MAC reachability information between network devices providing LAN extension functionality. This is a huge change from Layer 2 switching that traditionally leverages data plane learning, and it is justified by the need to limit flooding of Layer 2 traffic across the transport infrastructure.
Layer 2 communications between sites Continue reading
5 Basic Network Security Tips for Small Businesses
Follow these simple steps to help protect your company's data.