Distributed switches in vCenter 5.5

Posted: September 28, 2015 in VMWare

Distributed switches provides centralized location for setup,provisioning, administration, and monitoring the virtual network for the entire infrastructure.Imagine that we have 10 ESXi hosts and that we have been given task to implement same kernel network on all 10 hosts,instead of repeating tedious and error prone procedure on every of 10 ESXi hosts,we can set up management network on only one host and that changes will propagate to remaining 9.That’s all possible with distributed switches

Creating distributed switch

Right click on datacenter (where ESXi hosts are located) and select New Distributed Switch:

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Give switch name or leave default one and click next

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Choose compatibility

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Choose number of ports available on this switch (define number of NIC’s for this switch),create Port group and name it.

Port group specifies port configuration options for each member port

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After Distributed switch (dswitch in further discussion), is created,add ESXi hosts to newly created dswitch.Right click switch and choose Add and manage hosts

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In this example,i have 2 hosts

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Select check box to apply changes to all added ESXI hosts (template mode)

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Choose ESXi host from which changes will be applied to other ESXi servers

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We will add ESXi’s NIC to kernel network

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Select desired NIC,click Assign uplink and then click Apply to all in order to assign same adapter to all ESXi host.

Note:it’s presumed that both ESXi servers have same number of NIC’s

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Now click New Adapter to add previously selected NIC to VMKernel network:

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Click browse and select previously created port group

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Select service which will be used on VMKernel network

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Now go to network properties of both ESXi hosts and review setup,VMKernel network named iSCSI will be seen:

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