October 2009
Beginner to intermediate
298 pages
7h 11m
English
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Chapter 3. Networking
Networking is a crucial aspect of the ESX virtual environment. It’s important to understand the technology, including the different pieces that make it up and how they work together. In this chapter we will look at different networking elements inside the ESX platform and how to configure and build those different pieces.
3.1. Understanding Differences Between ESX 3.5 and ESXi 3.5 in Network Support
Problem
Limitations on networking can be confusing because ESXi does not support everything in ESX.
Solution
This recipe summarizes the differences between the two versions.
Discussion
ESX 3.5 and ESXi 3.5 share a common set of features, but they differ in significant ways. VMware has published a Knowledge Base article (1003345) describing some of the differences in the networking portions of the two products, and we’ll discuss those differences briefly in this recipe. It’s important to understand the differences in order to avoid conflicts when configuring your environment. Here are the key points:
ESX 3.5 and ESXi 3.5 both support the Cisco Discovery Protocol (CDP) by default. However, only in ESX 3.5 can you configure the CDP so that information about the physical NIC, or vmnic in VMware terms, is passed to upstream switches. ESXi 3.5 doesn’t currently support that feature.
In ESX 3.5, jumbo frames are supported in the guest (virtual machine) and in the ESX kernel’s TCP/IP stack. However, in ESXi, jumbo frame support is currently available only in the guest (virtual machine) ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.