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Posts in 2018

  • What is NSX-T, and how to build a Home Lab

    Friday, January 19, 2018 in SDN and Network Virtualization

    Let me start by saying that I’ve been a big NSX fan ever since it came to the market. I was one of the first CCIEs to get to the VCIX-NV (VMware Certified Network Virtualization Expert). It provides a single point of management of your Network …

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  • ACI 2018: ACI Anywhere and AVE (Application Virtual Edge)

    Tuesday, January 16, 2018 in SDN and Network Virtualization

    It’s 2018, and looking back at 2017 I must say that I’m quite happy, because having all in mind - it seems that Cisco is taking Cloud seriously. Four arguments to prove this: Intent Based approach UCS and HyperFlex evolution using Cisco …

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Posts in 2017

  • On PaloAlto and NSX Integration

    Friday, June 30, 2017 in SDN and Network Virtualization

    The VM-Series firewall for VMware NSX is jointly developed by Palo Alto Networks and VMware. NetX APIs are used to integrate the Palo Alto Networks next-generation firewalls and Panorama with VMware ESXi servers. Before getting into the technical …

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  • Nuage Networks VSP Deep Dive

    Saturday, June 24, 2017 in SDN and Network Virtualization

    Ever since Cisco bought Insieme and created Cisco ACI, and VMware bought Nicira and created NSX, I’ve been intensively deep-diving and blogging about both these solutions, how they compare to each other and to some Open Source SDN solutions out …

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  • Cisco ACI Unknown Unicast: Hardware Proxy vs Flooding Mode

    Monday, May 22, 2017 in SDN and Network Virtualization

    Before we start, lets once again make sure we fully understand what Bridge Domain is. The bridge domain can be compared to a giant distributed switch. Cisco ACI preserves the Layer 2 forwarding semantics even if the traffic is routed on the fabric. …

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Posts in 2016

  • Cisco ACI and OpenStack Integration: RedHat vs Mirantis

    Thursday, April 21, 2016 in SDN and Network Virtualization

    Note: This post requires basic knowledge of Cisco ACI architecture and ACI logical elements, as well as understanding of what OpenStack is, what the OpenStack elements (Projects) do, and the principles of what OVS and Neutron are and how they work. …

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  • Cisco ACI Service Graph (L4-7), ADC: F5 vs NetScaler

    Thursday, April 21, 2016 in SDN and Network Virtualization

    Note: This post requires basic knowledge of Cisco ACI architecture and ACI logical elements, as well as understanding of what ADC is, and the basic principles of Load Balancing and SSL. If you wish to get more information about these technologies, …

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  • Cisco ACI Guide for Humans, Part 2: Upgrade Cisco ACI

    Wednesday, February 17, 2016 in SDN and Network Virtualization

    First time we “unpack” ACI, we will find a certain number of potential Spine and potential Leaf switches, and hopefully 3 (or 5) APIC Controllers. We will rack the entire fabric, interconnect every Spine to every Leaf with a single 40G cable, and …

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  • Cisco ACI Guide for Humans, Part 1: Physical Connectivity

    Wednesday, January 27, 2016 in SDN and Network Virtualization

    First of all, I need to explain why I decided to write such a post. It’s quite simple to everyone who ever tried to Deploy/Configure/Understand how Cisco ACI works using the official Cisco Documentation. Cisco ACI is a very powerful …

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Posts in 2015

  • Cisco ACI: AVS and Hypervisor Integration

    Thursday, December 17, 2015 in SDN and Network Virtualization

    At this point I will assume that you already read my previous posts about: Cisco ACI Fundamentals. Application Network Profiles, Contracts and Outside World connection. If you did, then great. We may proceed with the “cool” stuff, such as …

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