Question

2008 NLB Farm with Multiple Sites

Asked by: deadite

I'm looking at implementing a 2 server web farm with Network Load Balancing.  The MS Documentation I read says each server will have a Public and Private IP.  My question is, will this still work if I have multiple sites in IIS using different IP's, and how?

Example:
IIS
  - www.mysite.com (10.10.1.1)
  - www.joes.com (10.2.2.1)
  - intranet.mysite.com (10.10.10.2)

Where the IP's above would be real internet routable IP's.
Would I need to assign all 3 IP's to the NIC, Create 3 seperate NLB clusters, then Add Server2 to each cluster?

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Asked On
2009-08-28 at 07:32:33ID24689898
Topics

Microsoft IIS Web Server

,

Computer Servers

,

Microsoft Windows Operating Systems

Participating Experts
2
Points
500
Comments
4

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Answers

 

by: jayasankerPosted on 2009-08-28 at 08:20:01ID: 25208570

 

by: deaditePosted on 2009-08-28 at 09:45:14ID: 25209441

Jayasanker,

Link 1 does not hit on the specifics I need, but it does kinda infer you can have multiple IP's (not confirmed, which I need).
the other 2 links won't apply.

For example, here are instructions outlining how to do this for a single site with 1 IP:
http://www.techotopia.com/index.php/Building_a_Windows_Server_2008_Network_Load_Balancing_Cluster

If you look at the step with the IP Address(es) screen,  you can enter an IP, subnet, and domain to cluster.  I don't have a box to test this on... but will I need to create a NLB cluster for each site, and assign all the IP's on the same NIC?

 

by: brwwigginsPosted on 2009-08-28 at 14:42:00ID: 25211779

Once you enter the the single IP address and get it configured, you can add additional IP addresses in the cluster config by right-clicking on the cluster and going to properties. This screenshot below is from our production farm so I know it works. Then in IIS you need to associate the correct IP with the website.

 

by: brwwigginsPosted on 2009-08-28 at 14:43:32ID: 25211792

I need to add that this is Windows 2003...should be the same for 2008 but can't confirm it

20120131-EE-VQP-002

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