Join Bill Ferguson for an in-depth discussion in this video The end of hairpinning, part of Learning VMware NSX.
- If you've ever attended a vSphere class,…you might remember the instructor saying…something like this.…If two virtual machines are on the same host,…and on the same switch,…and on the same subnet, same VLAN,…then they can communicate to each other…through the software container.…Basically, through the motherboard of the host,…without ever having to go out to the LAN.…That's an advantage,…because not only is that more efficient,…because it uses less of your available bandwidth,…but it's also more secure,…because it stays within the software container.…
But, if two virtual machines are on the same host,…and on the same switch, but not on the same subnet,…then what happens to them?…Well, ironically, the traffic has to…leave the software container just to be…forwarded back to where it came from.…Why is that?…Well, because when a machine wants to send traffic,…and it looks at what the destination address…of the traffic is, and it's a different subnet,…a different broadcast domain than it's on,…then where is it going to send it to?…
VMware Certified Instructor Bill Ferguson covers the basics of NSX (including NSX components) and techniques for creating a software-defined data center. He shows how to configure a controller cluster, prepare hosts for VXLAN networking, and configure logical switches and distributed routers. Later in the course, Bill configures static and OSPF routing, load balancing, and a simple VPN, as well as high availability with NSX Edge. By the end of the training, viewers should be able to use NSX on top of their existing network resources to improve performance, deploy services, and increase security—without any additional hardware.
- Overview of virtual networks and NSX components
- Configuring controller clusters, logical switches, and distributed routers
- Following packet flow with a DLR
- Understanding Layer 2 bridging
- Configuring static and OSPF routing
- Understanding SNAT and DNAT
- Configuring load balancing
- Configuring high availability on NSX Edge