On Mon, Feb 20, 2017 at 12:17 PM, Lloyd Parkes < [email protected]> wrote: > > Under Subnets // IP ranges // Reserved range the documentation says "An IP > range that MAAS will never use... For an unmanaged subnet, only addresses > in this range are used." I'm not sure what that second sentence is supposed > to be saying. Maybe it's a pasto and just needs to be deleted? >
Starting with MAAS 2.2, there are two modes for a subnet: managed and unmanaged. Prior to MAAS 2.2, MAAS 2.x always assumed it had full control over all IP addresses allocated on a subnet. So if are managing a subnet with MAAS and you declare a reserved range, that means MAAS will *exclude* any reserved range (though you can still add a specific device and specify that it resides in a reserved range). In MAAS 2.2, if you are using an unmanaged subnet, the behavior is reverse: when allocating IP addresses, MAAS will assume it does NOT have full control of the subnet, and only *include* IP addresses in reserved ranges. This way, if your IT department gives you a small range of IP addresses that MAAS is allowed to use on a subnet, it's easy to mark the subnet "unmanaged" and reserve only those ranges which MAAS is allowed to use. So that statement is accurate, though I agree it's a bit confusing and vague. Regards, Mike
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