Tag Archives: NSX

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NSX Distributed Firewall

My colleague Brad Hedlund has written a great introduction to the NSX Distributed Firewall. I wanted to share this with you before I start to dive into the technical and operational aspects of the NSX Distributed Firewall… http://blogs.vmware.com/networkvirtualization/2013/07/what-is-a-distributed-firewall.html

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OSPF Area Conversion

vSphere NSX supports OSPF as well as BGP and Static routing. When configuring OSPF, you will need to specify the OSPF area number in decimal format. When working with OSPF routing configurations that use dotted decimal format, the following formula will convert dotted decimal to decimal. Likely your favorite subnet calculator also supports OSPF area number conversions! The formula you can paste into a cell is: =(((C5*256)+D5)*256+E5)*256+F5

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Download NSX Documentation

NSX Documentation is available for download at https://www.vmware.com/support/pubs/ under the Networking & Security Tab. Happy bedtime reading!

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Introduction
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NSX Ecosystem Partners…

A comprehensive list of NSX ecosystem partners is listed on the NSX resource page at http://www.vmware.com/products/nsx/resources.html

Partners include solutions for Network Gateway Services, Network Security Platforms, Application Delivery, and Security Services.

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Introduction
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Network Virtualization in a Nutshell…

Software Defined Networking and network virtualization in general relies on a centralized network controller to provide an API interface that can be accessed programmatically. The centralized network controller  translates API calls into instructions to hypervisors, switches, virtual appliances, and physical hardware appliances, creating logical network constructs. The network controller also has the job of tracking and maintaining network connectivity and security across the virtual and physical environment.

VMware NSX works with OpenStack Neutron in multi hypervisor environments (vSphere. XEN, KVM) using the Open Virtual Switch, and vSphere vCenter using the vSphere Distributed Switch.

The scope of NSX today is within the four walls of a data center or metro data center under control of  OpenStack or vCenter. In the NSX vSphere Edition, there is some nice integration with SRM, where SRM can be used to replicate logical network constructs to a remote vCenter/NSX.

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