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Arrays and Configuration

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Arrays and Configuration - 30.Mar.2012 8:20:28 AM   
efector

 

Posts: 115
Joined: 27.Oct.2005
Status: offline
Greetings All! I need some assistance with being clear on a topic, specifically, TMG arrays.

My understand is that an array generally consists of multiple TMG/ISA servers configured, using the same subnet information. For example:

Array 1 is:

TMG1 192.168.1.2
TMG2 192.168.1.3
TMG3 192.168.1.4

These servers would be able to be configured as an array, correct?

So what would NOT be possible would be to have:

Array 1 is:

TMG1 192.168.1.2
TMG2 192.168.2.2
TMG3 192.168.3.2

Am I correct in understanding that to function as an array, all members of the array must exist on the same subnet?

Thanks
Post #: 1
RE: Arrays and Configuration - 2.Apr.2012 3:29:13 AM   
romvdmeulen

 

Posts: 105
Joined: 5.Aug.2011
Status: offline
quote:

ORIGINAL: efector
Greetings All! I need some assistance with being clear on a topic, specifically, TMG arrays.
bring it on! :)

quote:

My understand is that an array generally consists of multiple TMG/ISA servers configured, using the same subnet information.
Hold that thought.

quote:

For example:
Array 1 is:
TMG1 192.168.1.2
TMG2 192.168.1.3
TMG3 192.168.1.4

These servers would be able to be configured as an array, correct?
yes, sir!

quote:

So what would NOT be possible would be to have:

Array 1 is:
TMG1 192.168.1.2
TMG2 192.168.2.2
TMG3 192.168.3.2
Yes, that would work if your subnet is at least 10bits. (192.168.0.0 - 192.168.3.255). So your mask should (for example) be 255.255.255.252

quote:

Am I correct in understanding that to function as an array, all members of the array must exist on the same subnet?
To function as an array, no that's not necessary. But if you want the TMG-Networks to work correctly, than it's a wise to have all TMG's on the same subnet. And that's what you want. So, yes.
An array would theoretically function if TMG servers spans multiple subnets. It is advised to have a dedicated NIC (on a dedicated subnet) for Array communication. For NLB to work you need to have the TMG Networks that are NLB-active in the same subnet.

So, yes, you want TMG servers that are an array placed in the same subnet :)

Thanks


< Message edited by romvdmeulen -- 2.Apr.2012 3:32:27 AM >

(in reply to efector)
Post #: 2

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