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Windows Load Balancer - Multiple Sites

Posted on 2014-03-13
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Last Modified: 2014-03-21
Looking to add multiple web sites to the Load Balancer.

Is this possible?

I would like to be able to set *.domain.com

So anything that comes through via domain.com is picked up and sent to the relevant addresses.

Can you guys please shed some light on this.

Thanks in advance.

introlux
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Question by:introlux
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Expert Comment

by:Mahesh
ID: 39928528
Requirement is not clear

If you are talking about windows NLB, you have to have pair of network cards for each web site because you cannot assign one network card pair to multiple web sites

Also unless you mention complete url address request cannot be routed to exact web sites with wild card entry

if you could provide more details about your requirement, it will help

Mahesh
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Author Comment

by:introlux
ID: 39928551
Right that make sense, as these are VM's within Hyper-V, will I need to add a new switch to the Hyper-V? So that the VM can pick this up?

Regards,

introlux
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Expert Comment

by:Mahesh
ID: 39928560
Ok
If you are having hyper-V server you can have two physical network cards on hyper-v server, create two external networks with above physical network cards so that physical network cards will be converted to switch, use one NIC for heart beat and one for NLB production network

Now on every virtual machine create two virtual adapters and assign them above external networks and then create unicast NLB cluster with virtual IP for hosted web site on that server
create DNS entry as required to point above VIP

The same process needs to be followed for every web site and web servers to publish with windows NLB cluster

if you wanted to use multicast NLB cluster, that is also possible and in that case only one virtual NIC is required per virtual server
Then you do not require Heart beat adapter on Hyper-V host server and you can utilize that adapter as a another NLB production network

Mahesh
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Author Comment

by:introlux
ID: 39928724
Hi,

Thank you for the info, looking to use multicast but I can only see one adapter. When I try to add another via the switch manager in Hyper-V it causes an error and does not create it.

Any idea's will be appreciated.

Regards,

introlux
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Accepted Solution

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Mahesh earned 500 total points
ID: 39928783
How many network adapters do you have on hyper-V physical server ?
I guess you are having only one physical adapter on hyper-v server which is already connected to one external hyper-v network
Obviously you will get error if you trying to create another external network with same network card
In order to create 2nd external network in hyper-v switch manager you have to have another physical network card connected to hyper-v host server

If you wanted to use multicast NLB on virtual machines, you do not required 2nd adapter on either Hyper-V server and virtual machines

But its recommended to have 2nd physical adapter on hyper-v host and then you can create new external network through hyper-v switch manager and use that external network to build connectivity with web servers and then build Multicast nlb in virtual machines with single virtual network card

Mahesh
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Author Closing Comment

by:introlux
ID: 39944927
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