6.0

Managing Network Resources 21
vSphere provides several different methods to help you manage your network resources.
This chapter includes the following topics:
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“vSphere Network I/O Control,” on page 247
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“TCP Segmentation Offload and Jumbo Frames,” on page 250
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“DirectPath I/O,” on page 252
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“Single Root I/O Virtualization (SR-IOV),” on page 254
vSphere Network I/O Control
Use vSphere Network I/O Control to allocate network bandwidth to business-critical applications and to
resolve situations where several types of traffic compete for common resources.
Enable Network I/O Control on a vSphere Distributed Switch
Enable network resource management to use network resource pools to prioritize network traffic by type.
Prerequisites
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Open a vSphere Client connection to a vCenter Server.
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Verify that your datacenter has at least one vSphere distributed switch version 4.1.0 or later.
Procedure
1 Log in to the vSphere Client and select the Networking inventory view.
2 Select the vSphere distributed switch in the inventory pane.
3 On the Resource Allocation tab, click Properties.
4 Select Enable Network I/O Control on this vSphere ditributed switch, and click OK.
Create a Network Resource Pool
Create user-defined network resource pools for customized network resource management.
User-defined network resource pools are available only on vSphere distributed switches version 5.0.0 or
later.
Prerequisites
Launch the vSphere Client and log in to a vCenter Server system.
VMware, Inc.
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