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Cisco NexusRSS

Nework Cisco Virtual Switch

Removing orphaned hosts from a Cisco Nexus 1000V (2000203)

You have a host in a Cisco Nexus 1000V that you cannot remove, and the host does not have any uplinks associated with it. Attempting to remove a host from a Cisco Nexus 1000V fails.

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Introducing Cisco Nexus 3100 Top of Rack Data Center Switches

Cisco always strives to innovate while meeting customer needs. Today we are proud to unveil the  Cisco Nexus 3100 line of switches as part of our Unified Fabric Data Center portfolio. These highly scalable, power efficient, and flexible switches feat ...
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Upgrading ESXi host to vSphere 5.5 with Cisco Nexus 1000V

I have upgraded my vSphere lab cluster from ESXi 5.1 to 5.5. Even though my lab consists only of 2 hosts I wanted to use Update Manager orchestrated upgrade to simulate how it would be done in big enterprise or service provider environment with as little ...
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VMs on a Cisco Nexus 1000v VDS lose network connectivity

Recently I ran into an issue with certain hosts in one of our data centers configured with a Cisco Nexus 1000v VDS; any VM on certain host would lose network connectivity.  If you did a vMotion to another host connectivity would be restored to t ...
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Cisco live Redux: Nexus 1000V InterCloud, Now Available, is a Hit to Enable Hybrid Cloud

If you live in the US, I hope you had a good 4th of July holiday last week. It’s already been over a week since a very exciting Cisco live! If you were there in person, or you caught much of it on video, I’m sure you know about the enthusiasm and exc ...
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Cisco Announces New Nexus 7700 and Fabric Architecture

Cisco continued its product announcements at Cisco Live this week with the Nexus 7700 switch family, and Dynamic Fabric Automation, an architecture for creating a network fabric that supports physical and virtual environments and streamlines switch config ...
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Wireshark Your VMware VMs on the Cisco Nexus 1000V

Recently, I ran some tests to verify Multicast, QoS, and Security settings that I implemented on the Nexus 1000V.  I wasn’t seeing the results that I expected.  So, I setup Wireshark on a VM to examine the packets… The Nexus 1000V allows you to ...
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Cisco Nexus Fibre Channel configuration template

I recently had the opportunity to configure native fibre channel in my test lab at work using Nexus 55xx series switches and Cisco’s UCS. What I’ll do in this post is to share my templatized fibre channel configuration in a somewhat ordered way, at least ...
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ALT2003-VMware vNetwork Distributed Switch and Cisco Nexus 1000V - YouTube 53:39

Free Videos TrainingALT2003-VMware vNetwork Distributed Switch and Cisco Nexus 1000V

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How to Install Cisco Nexus 1000V on VMware ESXi 5.0 - YouTube

Installing and Configuring Cisco Nexus 1000V on VMware ESXi 5.0

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Cisco Nexus 1000V Security: DHCP Snooping

Later this year, I’ll be taking the Cisco Certified Internetwork Expert (CCIE) Data Center Lab Exam. As I study the exam blueprint, I’ll be posting about some of the items that I am studying. The first of these posts is about DHCP Snooping on Nexus 1000V. ...
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Rate Limiting of External Networks in vCloud Director and Nexus 1000V (Tom Fojta's Blog)

There is a new feature in vCloud Director 5.1 which was requested a lot by service providers – configurable limits on routed external networks (for example Internet) for each tenant. Limits can be set both for incoming and outgoing directions by vCloud Ad ...
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Cisco Nexus 1000V NIC Teaming and Load Balancing

This year I’ve been working on a VMware design for a large enterprise customer, and had various conversations with the solutions team on everything from storage sizing to networking (that was one day!). This prompted me to address one topic that I feel de ...
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Remove Orphaned Nexus 1000v DVS from vCenter (Valco Labs)

While deploying the Nexus 1000v DVS in one of my environments I ran into an issue where I had to create a new standby VSM. To do so I built a new standalone VSM, which connected to vCenter and had a switch name of dvs-test. I converted the standalone VSM ...
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Cisco Launches Nexus 1000V InterCloud – Part 3

Today we wrap up our three part introduction of Cisco’s new hybrid cloud infrastructure, Nexus 1000V InterCloud. In Part 1, we provided an overview of the architecture and the components that make up Nexus 1000V InterCloud. In Part 2, we looked a bit more ...
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#Cisco Launches Nexus 1000V InterCloud – Part 2 (VNMC InterCloud)  #VMware

This week, as part of a major cloud launch that also introduced the Nexus 6000 series and updates to our Cisco ONE portfolio, Cisco unveiled its Nexus 1000V InterCloud solution, which provides a seamless and secure extension of virtual networks from on-pr ...
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Cisco VXLAN Innovations Overcoming IP Multicast Challenges

At Cisco Live! in London this week, Cisco is demonstrating some enhancements to its Nexus 1000V virtual switch that greatly ease some of the challenges in deploying VXLAN in large scale cloud networks. VXLAN was designed to solve the problem of setting up ...
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