Sunday, February 17, 2019

Spaghetti Network

I just got a new position at a school, looking after their network. Looking at their current setup I have noticed their bottleneck but I lack architecting skills so not sure the best way to fix this. Building 1 is where our servers are and building 2 are where the backup servers are.

Building 1 fibre | Linked directly
Building 2 fibre | Linked to building 1 and 6
Building 3 fibre | Linked to building 2 and 4
Building 4 fibre | Linked to building 3 and 5
Etc.....

There is no pattern to how they are all connected but I can see for example building 4 the bandwidth has to travel down with all of the building 3 and 2, amazingly it works but slow. We only have 2-3 switches so I will combine core and distribution layers. The plan is to have fully fibre core switch in building 1 (primary) and building 2 (secondary).

No idea how to configure the fibre. I guess I want traffic to default to Building 1. What happens if one VM fails in Building 1 how can it automatically go to building 2 without routing the rest of the VMs.



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