Wall of Fire – 06 – Lifecycle management
Developing your own lifecycle and proactive maintenance should be considered at the start of any investment. It allows administrators and managers and all stakeholders to understand the cost of the...
View ArticleThe Wall of Fire – 07 – SDN and the future of firewalls
There has been a quite a bit of ‘SDN-washing’ when it comes to what the future holds. Just because there is an API it doesn’t necessarily mean a product leverages SDN. As marketecture around next...
View ArticleSPARK: VMware NSX design document
I have spoken quite a bit about VMware NSX over the last couple of weeks. There were still quite a few unknowns amongst the twitterati and the community at large around designs. Today this has been...
View ArticleVMware VCP5-DCV
Last week I passed my VMware VCP5-DCV exam. This posts looks to review and give my impression on the sought after certification. Exam Quality Within the standard Pearson Vue test environment, VMware...
View ArticleThe year of 2013!
This year we saw the fruits and the go to market of many SDN and network virtualization products. It was great to see Nuage Networks NVP, Cisco ACI, Juniper’s Contrail and OpenContrail and VMware NSX...
View ArticleVMware NSX resources
This page seeks to cultivate NSX resources from around the web to give you all the information you need with my commentary on the links. Stay tuned for updates and more links as NSX is adopted. Main...
View ArticleNuage Networks at #NFD6
Nu-âhj: French, meaning ‘cloud’ is a division acquired by the venerable Alcatel Lucent, presented to the delegates around their Network Virtualized Services Platform (VSP). The goal of Nuage is to...
View ArticleLogical boy in a logical world
There always has been to the idea of thinking in the logical headspace. Since the inception of Virtual Local Area Networks the wizards of the ether, Network Administrators, have had a notion of a...
View ArticleContext vs Isolation
Security is an industry that can excite and frustrate, extract tears from the unsuspecting and cause insurmountable problems when protecting among many disparate systems. For a long time security was...
View ArticleMicro segmentation and NSX
When you speak of security architectures the word Micro segmentation isn’t new. A Micro segment or a small subset of a larger overall has its roots in the financial industry. When micro segmentation is...
View ArticleVirtual firewalls and 3 Tier apps
The topology below depicts a standard three tier application comprised of a web front end with a load balancer, application tier and a database backend. Each tier is a separate IP subnet on a logical...
View ArticleCisco ASAv and ASA 9.2
The other day marked a pretty big security release for Cisco. For a long time the Cisco ASA has been a physical firewall and recently evolved to a Virtual Appliance known as the ASA 1000v. The problem...
View ArticleInstalling VMware NSX Part 4
In Part 4 of this series we will start deploying some Logical Switches. The focus of this series in walking administrators through performing tasks in the NSX environment. Details on how Logical...
View ArticleInstalling VMware NSX – Part 5
The previous posts in this series have stepped through how to enable NSX and get some logical switches configured. Workloads now have L2 adjacency across IP subnets thanks to VXLAN logical switch...
View ArticleInstalling ASAv into vCenter
As announced last month and quickly covered off by this post, Cisco announced the evolution of the ASA 1000v, the ASAv. There is no longer a requirement on Nexus 1000v. I have a variety of technology...
View ArticleCreating NSX objects with REST API
As has been purported many times it is possible to create objects via a RESTful API. Lets first look at the logical network segments in my environment. Whilst I show the GUI creation here this post...
View ArticleReview: Networking for VMware Administrators
Recently Chris Wahl, VCDX #104, along with Steve Pantol released Networking for VMware Administrators. This book covered off many aspects of networking in a VMware environment. The book starts out with...
View ArticleInstalling VMware NSX – Part 7
So far the topology in this series has a three tier logical application deployed. It also has an Edge Services Gateway connected to the uplink of the logical router with an uplink of its own to the...
View ArticleVMware NSX Use Case Library – #004
NSX Edge – Routing between NSX Edge and physical network with Border Gateway Protocol (BGP) Summary This use case demonstrates logical routing between a NSX edge and physical network segment. It...
View ArticleVMware NSX Use Case Library – #001
Distributed Firewall – Using vCenter objects to provide policy enforcement for VM to VM traffic Summary This use case demonstrates the use of NSX’s distributed firewall in conjunction with vCenter...
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