Forum Discussion
nitass
Mar 17, 2011Employee
active/active LTM deployment on different subnet
Hi there,
I am thinking about active/active LTM deployment which each LTM is located on different data center and using different subnet. I mean not using GTM at all.
For example ...
Mar 17, 2011
There are a number of reasons why you wouldn't want to do this/wouldn't work.. but I'll touch on the most obvious.
Without any intelligent DNS, aka GTM, how would you handle DNS? With the boxes being on different subnets, your VIPs are going to be different... Active/Active really wasn't designed to work like that..For something like that to work you would have to bridge the DC's.. very bad... I can keep going here but you shouldn't focus on this.
The recommended setup by F5 is Active/Standby. You will need two Boxes in each DC. There are a number of reasons why you would want this setup, redundancy, change control, etc. If you want global redundancy between DC's you are going to need additional boxes/licenses for GTMs to control this.
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