I have a question about VNETs and SubNets. Do these have any interaction/relation within an OnPREM network - as in do I have to assign, set aside an IP range on my work network for my VNETs in Azure?
Two reasons why I ask:
1. I ask is I don’t like how Azure is forcing me to create subnets, I just want one subnet per vnet and connect that to a Local network. I don’t want to have 4-5 subnets to utilize all the IPs assigned for the vnet.
2. My concern is: if a web server is assigned to WebNet2 and I setup autoscale to scale the server to 25 at a certain time, I may be out of IPs and that may cause problems.
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Im curious if I could do something like below and be fine, in the clear when I create other subscriptions in Azure using the 10.225.0.0 space.
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Of course if I create another VNET within the same subscription, I would have to have a different Local network setup because of the conflict, overlapping 10.225.0.0.
Ultimately, I would like to actually have two subnets: /11 and the rest along with a gateway. I break it apart for Infrastructure (IaaS) and WebNet (PaaS) but I don’t see how that can be possible so…
Any help or suggestions would be much appreciated!