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4.Networking

Posted on 2013-01-26
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Last Modified: 2013-07-13
From the image you can see what networking shows for the host.

Currently i have only connected 1 NIC to the switch

I believe esxi  created vswitch0 out of that NIC

This is the NIC i want to manage the ESXi host with .

SO Is it good  to remove the VM Network from this vSwitch

If i add another another vSwitch Only for VM network (But i dont have Link on that NIC)
Is that fine.  -- Image is attached

How will the VM's using that vSwitch work

Will they be able to communicate with Host


-- I actually want to have VM's work in the dedicated  network / so that they do not come in contact with the actual network.

the vswitcjh0 has connectivity to outside world.

How can i make sure i have a Segregated network for my vms and also be able to test vmotion etc later but do not disrupt anything in our domain.
Network.jpg
Net1.jpg
net3.jpg
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Question by:MOQINFRA
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LVL 119

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 38822458
Yes, you can remove the VM Network from vSwitch0, and create a new vSwitch1, with a VM Network and attach physical network uplinks.

Do you have a second server and shared storage to be able to do vMotion?

Create a vSwitch1, but do not connect any physical network interfaces, this will give you a private network, Segregated network from your Domain, but you will still be able to manage from vSphere Client.


If you want to read more on networking in VMware ESX/ESXi, then I recommend the following:-

I would also recommend reading through the Networking Sections of the following guides to gain a better understanding of Networking in VMware ESX/ESXi.

ESXi Configuration Guide ESXi 4.1
http://www.vmware.com/pdf/vsphere4/r41/vsp_41_esxi_server_config.pdf

Virtual Networking
http://www.vmware.com/technical-resources/virtual-networking/virtual-networks.html

Virtual Networking Concepts
http://www.vmware.com/files/pdf/virtual_networking_concepts.pdf
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Author Comment

by:MOQINFRA
ID: 38822500
I dont have second server or shared storage for vmotion as yet , but may be able to test once i learn single host things.

If you see the net3 image that i have attached it shows , i added a switch1 for VM Network

This Switch is however based on NIC card 2 (WHich currently doesnt have a uplink as it is not connected to switch)

But i actually doesnt want that , becuase may be someone some day connects a cable to this and it may be an issue for me.


What i want is ability to add a vswitch which could never have a Link . (How can i do that)

is vSwitch always based on a physicl NIC.
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LVL 119
ID: 38822516
if you do not have a second server and shared storage, you cannot do vMotion.

just remove the vmnic from the vSwitch, click properties for the vSwitch, edit network adapters, and remove it.

a vSwitch is not dependant on having a physical nic, depends on how you create it.

you can create without nics attached.
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Author Comment

by:MOQINFRA
ID: 38822549
Thank you , i created a vswitch with a NIC.

1 last thing that i wanted to ask for today :)

I have connected to my ESXi host with vSpher client.

What i want to do is : Have vCenter 5.1 installed. How should i being that .

Create a VM , Promote it as DC
Create another VM Install SQL
Create another VM install VCenter

How will vCenter server communicate with the host as i want all my stuff in private netywork that i create.

Where can i place Vcenter server
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LVL 119
ID: 38822557
thats a new question, and off topic here, one question per thread.

I believe this question has been answered, if the answer has been helpful please assign points. Please post a new question, and myself or other experts will be glad to assist.
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Author Comment

by:MOQINFRA
ID: 38899019
If one can create Virtual machine Port Groups on a single vSwitch0

under what conditions shall i consider creating another Switch say vSwitch1
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LVL 119
ID: 38899111
if you want to create an isolated network, DMZ, new subnetwork, load balancing, iSCSI stoage network, many different reasons.
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Author Comment

by:MOQINFRA
ID: 38899141
thanks
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LVL 119
ID: 38899173
Why a Grade B? was my Answer not Excellent, and worthy of a Grade A? Please justify?
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Author Comment

by:MOQINFRA
ID: 39321998
Oh sorry i had actually never realized the grades matter. I received an email from mods and then knew it matters.

As for the answer. Yes it was excellent.

Thanks
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LVL 119
ID: 39322960
thanks
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