Hi reddit network guru's,
I've got a question for you network geniuses on the topic of datacenter networking. At the company I'm currently working we have 2 datacenters situated fairly close together, around 5KM apart. In each datacenter we have a cisco switch stack that connects the DCs with 2 fiber pairs.
This setup has worked for us for some time but has it's drawbacks as it is possible to get a split-brain which is very bad as you guys know. In our current setup we have shared VLANs over the datacenters, this is great for our applications we are running. This is our current setup in huge overview
So we got talking within our team and we are thinking about a 3 DC setup but we are not sure how to do this setup. We would like to keep our setup with the shared VLANs over the datacenters. After discussing it internally we are seeing some problems with a setup that has the same VLANs shared over 3 DCs. This is how we would like to connect our 3 DCs
Does anyone have an idea if this is possible and if so what type of networking hardware would be best fit this type of setup.
Greetings
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