Virtualization has caused innovation in every area of the datacenter. We are seeing upheaval in storage,
networking, management, and application delivery. This change is forcing tighter integration amongst different
technologies and vendors. These include:
- Plug-ins to ease storage administration and provisioning
- Virtualization-aware storage, servers and network
- Integration of network security policy enforcement in to the hypervisor
- Anti-malware tools that watch all VMs on a host without agents
One area seeing the most change and integration is networking. When virtualization first became mainstream it
did more damage to networking than it helped. We lost visibility, proper policy application, and many vSphere
administrators were not used to managing many networking aspects.
While VMware's vSphere has very robust networking it does cause some loss of capability and administrative control
compared to legacy networking. To help fill this void VMware made sure that the networking capabilities in vSphere
were extensible by other 3rd parties, such as Cisco. Cisco was the first to develop and release another virtual
switch for vSphere, called the Cisco Nexus 1000v.
The Cisco Nexus 1000v provides virtual environments with a switching environment that runs the same NX-OS operating
system as physical Cisco Nexus switches. This allows for the virtual network administration to mimic that of the physical
environment and give the network team the control and visibility back what was lost. The 1000v adds many missing capabilities
to the vSphere switch including access control lists, advanced NetFlow support, ERSPAN port mirroring, queuing, QoS, and many
more.
In our Cisco Nexus 1000v Implementation Training course we cover the Nexus 1000v completely. This includes the architecture and
components of the 1000v as well as deployment recommendations and examples so that you can deploy this switch into your existing
environment with minimal disruption. We also go over in depth configuration, management, and troubleshooting recommendations.
As always, we welcome any questions, comments, or general thoughts you may have as you work through the course on your way to
mastering Cisco's Nexus 1000v virtual switch.
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