Posts in 2015
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Cisco ACI: Application Network Profiles, Contracts and ACI Connection to the Outside Network
Thursday, December 17, 2015 in SDN and Network Virtualization
By know you should know the following facts about ACI: Cisco Nexus 9k Switches make the ACI Fabric, which is the Control and the Data plane of ACI Architecture. The main components of the ACI Architecture are Bridge Domain (BD), EPG (End Point …
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Cisco ACI Fundamentals: ACI Components
Wednesday, December 16, 2015 in SDN and Network Virtualization
Before we get deeper into the ACI (Application Centric Infrastructure) as the Cisco’s official SDN solution, we need to clarify a few terms that will be used: SDN is a concept that introduces the Networks that are configured and defined using …
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[Integrate NSX with PaloAlto] Solve OVF Import Certificate problem using the OVFTool
Tuesday, October 20, 2015 in SDN and Network Virtualization
In my next post I’ll be focusing on the NSX and Palo Alto integration, and all the improvements this brings to the Micro Segmentation. For now, lets just focus on importing the Palo Alto Virtual FW VM (NSX Version) to the existing vSphere …
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VMware NSX Home Lab
Saturday, October 03, 2015 in SDN and Network Virtualization
The required Physical Infrastructure To prepare for the VCIX-NV Exam, the ideal environment to practice is similar to the one we may find on the Hands-on-Labs: http://labs.hol.vmware.com/HOL/catalogs/catalog/all We are particularly interested in the …
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Cisco Data Center: UCS Basics
Saturday, April 11, 2015 in SDN and Network Virtualization
TIP: Be sure to use the HUU (Host Upgrade Utility) when adding the Blade to the UCS architecture, to make sure you have the latest drivers and the Firmware. UCS (Unified Computing System) is a BladeCenter chassis that integrates compute, networking …
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Cisco Data Center: Unified Fabric and FCoE
Sunday, March 08, 2015 in SDN and Network Virtualization
TIP: In FCoE world there are no HBAs, but there are CNAs instead. All the Storage concepts stay the same. TIP: If you want to use the FCoE, you first need to enable the feature using the command “feature fcoe”. Also, have in mind that Max Length of …
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Cisco Data Center: Fiber Channel and Cisco Storage Fundations
Wednesday, February 04, 2015 in SDN and Network Virtualization
Unified Fabricis a term for all of the equipment that makes LAN and SAN possible. There are two different networks (LAN as Front-end and SAN as Back-end) that we are trying to “converge”, and 10G is an enabler of that convergence. SAN (Storage Area …
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NSX Components - The Basics
Friday, January 30, 2015 in SDN and Network Virtualization
TIP: If you are a Networking professional, the odds are you don’t know much about Web services, and RESTful API everyone is mentioning all the time is your confusion point. REST has gained widespread acceptance across the Web as a simpler alternative …
Posts in 2014
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How VXLANs Work
Tuesday, December 02, 2014 in SDN and Network Virtualization
TIP: An Ethernet Ethertype of 0x0800 indicates that the payload is an IP. TIP: The maximum transmission unit (MTU) requirement for VXLAN is minimum of 1,600 bytes to support IPv4 and IPv6 guest traffic. TIP: The VLAN tag in the layer 2 Ethernet frame …
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VMware NSX Fundamentals
Monday, December 01, 2014 in SDN and Network Virtualization
In July 2012 VMware acquired Nicira (Nicira was founded by Martin Casado of Stanford University and it had a product called NVP - Network Virtualization Platform), and that’s basically how VMware started the NSX Venture and got into the SDN. NSX …