Powershell commands for esxcfg commands on esx

[Guv]

I am running some esxcfg commands on my ESX 4 servers to create a vswitch and vmkernel ports with a mtu value of 9000 (jumbo frames), but i would rather run these commands in powershell equivalent. The esxcfg commands are:

creating a new vswitch called vswitchA:

esxcfg-vswitch -a vSwitchA

Then, set the MTU of the vSwitch.

esxcfg-vswitch -m 9000 vSwitchA

list all the vSwitches so you can confirm your changes and settings

esxcfg-vswitch -l

create the portgroup port1

esxcfg-vswitch -A port1 vSwitch9

Then create the VMkernel interface with IP and mtu value.

esxcfg-vmknic -a -i 172.16.0.1 -n 255.255.255.0 -m 9000 iSCSI

will confirm your settings.

esxcfg-vmknic -l

Can anyone advise in getting the powershell commands for the above esxcfg commands

[LucD]

IN PowerCLI 4.1 you can specify the MTU with the New-VMHostNetworkAdapter cmdlet.

Something like this will do the same as the esxcfg- commands you used.

$esxName = <hostname>
$vSwitchName = "vSwitch9"
$pgName = "port1"

$esx = Get-VMHost -Name $esxName

# Create the virtual switch
$sw = New-VirtualSwitch -Name $vSwitchName -VMHost $esx

# Create the portgroup
New-VirtualPortGroup -VirtualSwitch $sw -Name $pgName 

# Set the portgroup up as a VMkernel with an MTU of 9000
New-VMHostNetworkAdapter -ConsoleNic:$false -VirtualSwitch $sw `
	-VMHost $esx -PortGroup $pgName -Mtu 9000 -IP 72.16.0.1 -SubnetMask 255.255.255.0

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Blog: LucD notes

Twitter: lucd22

[Guv]

Does the above script change the mtu value of the new vswitch, as it seems to only change the mtu value of the new vmkernal port only.

[LucD · Accepted solution]

Only the portgroup, but you can use the Set-VirtualSwitch cmdlet which also has a -MTU parameter.

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Blog: LucD notes

Twitter: lucd22