March 2019
Intermediate to advanced
234 pages
8h 14m
English
Content preview from Azure Networking Cookbook
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How it works...
Although you can change the address space at any time, there are some rules that determine what you can or cannot do. Address space can't be decreased if you have subnets defined in the address space that wouldn't be covered by a new address space. For example, if the address space was in the range of 10.0.0.0/16, it would cover addresses from 10.0.0.1 to 10.0.255.254. If one of the subnets was defined as 10.0.255.0/24, we wouldn't be able to change the virtual network to 10.0.0.0/17, as this will leave the subnet outside the new space.
Address space can't be changed to the new address space if you have subnets defined. In order to completely change the address space, you need to remove all subnets first. For example, if we ...