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I had an interesting discussion with a customer the other day where both Cisco (myself included) and HP account teams where on the same call to discuss Flex-10, Nexus 1000V, or other approaches that may work better. — Yeah, awkward.
Anyway, for most of the time we (the Cisco team) focused on Flex-10’s total lack of [...]

I sometimes hear or read complaints about the Nexus 5000 + Nexus 2000 fabric extender architecture that I want to take a minute to address.  This should be short and sweet, a blogging concept that is foreign to me if you follow my work.
The typical complaints about this architecture from network engineers are [...]

My most recent post Simple Example of Network Interface Virtualization generated enough interest and curosity to warrant a follow-up post showing simple uses cases for NIV.
NIV takes a single physical adapter and presents multiple virtual adapters as if they were physical adapters to the server and network.  Now that the server and network see multiple [...]

I’m seeing some confusion in the blogosphere about how Cisco’s implementation of Network Interface Virtualization (NIV) really works so perhaps a very simple example is needed, and that is the intent of this post.  My previous posts about NIV with Cisco’s Palo adapter were focused on the big picture and the complete solution, such as [...]

This is a follow-up and enhancement of a previous design diagram in which I showed Cisco UCS running the standard VMware vSwitch.  In this post I am once again showing Cisco UCS utilizing the Cisco (Palo) virtualized adapter with an implementation of VMware vSphere 4.0, however in this design we are running ESXi and the [...]