What Is A TCP / IP Stack In VMware VSphere?

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In virtual networks, traffic diversification is much more than the physical environment. The ability to create different types of our virtual components with new types of traffic, just on a physical host! Faces. So when they want to get out of the physical network card, they do not only have different purposes, they also need to be redirected to different gateways. This is one reason why the vSphere v5.0 builder has an option called TCP / IP stack. In this article, we will explain the use of this feature in plain language.


What is TCP / IP Stack in VMware ESXi?

In all of the Best Practices of VMware, it is recommended that a VMkernel Adapter be created for each type of traffic in VMware. But what are the different types of traffic on ESXi? For example, Traffic Management, vMotion traffic, vSAN, iSCSI and vSphere Replication each have a specific type of network traffic in VMware that has a different application. The TCP / IP Stack feature creates a Traffic Profile or Traffic ID for each of these traffic, making it possible for a specific configuration of the VMkernel Adapter to perform a variety of tasks.

See the different types of VMware traffic in the image below:

Network Traffic on VMware ESXi

Prior to vSphere 5.5 there was only one TCP / IP stack shared between all types of traffic. In this case, if there was a need for network segmentation, we could not use a few subnets or vLANs in a VMkernel, because all types of traffic should use a default gateway.

In vSphere 5.5, VMware introduced a feature that, by creating a TCP / IP stack through the Command Line environment, we could only route some types of traffic to a different degree. But now this restriction is not even present and all types of traffic can be separated by TCP / IP stack. So now, not only do different traffic can use different default gateways, but it's possible that different DNS settings are also considered for them. Some other benefits of creating TCP / IP stack are as follows:

ARP Table dedicated
Dedicated Routing Table
Traffic Isolation To Improve Network Security!


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Sabir Hussain Soomro
About Sabir Hussain Experienced IT Specialist with a history of working in the information technology and services industry. Skilled in VMware ESX, Domain Name System (DNS), DHCP, VoIP, Water Backup Solutions, Adobe Connect, Servers, and Data Center. but quickly found a large following of readers and subscribers. Connect on: Google + or Feel free to network via Twitter.@VMGate110