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2_x:datamodel:subnets [2020/08/11 18:28] – [Tabs] cnaud | 2_x:datamodel:subnets [2020/08/11 18:33] – [Creating a new Subnet] cnaud | ||
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An implicit but intuitive set of rules must be followed when a subnet is created: | An implicit but intuitive set of rules must be followed when a subnet is created: | ||
- | * A subnet must be CIDR aligned. | + | * A subnet must be CIDR aligned, |
- | * A subnet cannot share any space with another subnet. In particular, it cannot contain any other subnet and cannot be contained in a subnet. | + | * A subnet cannot share any space with another subnet. In particular, it cannot contain any other subnet and cannot be contained in a subnet, |
- | * Mask for IPv4 subnets must be contained within /16 - /32 | + | * Mask for IPv4 subnets must be contained within /16 - /32, |
- | * Mask for IPv6 subnets must be contained within /64 - /128 | + | * Mask for IPv6 subnets must be contained within /64 - /128, |
* If not set, “Subnet Block” is automatically computed when “Subnet IP” and “Mask” are defined, | * If not set, “Subnet Block” is automatically computed when “Subnet IP” and “Mask” are defined, | ||
+ | * According to the " | ||
- | At creation time, global settings “Reserve Subnet and Broadcast IPs at Subnet Creation” can be overwritten. Note that a change on this parameter, if any, only applies to the current creation and don’t affect the value of the global parameter. If it is required to change them globally, this can be done through the [[2_x: | + | At creation time, global settings “Reserve Subnet and Broadcast IPs at Subnet Creation” can be overwritten. Note that a change on this parameter, if any, only applies to the current creation and don’t affect the value of the global parameter. If it is required to change them globally, this can be done through the [[2_x: |
==== Modifying a Subnet ==== | ==== Modifying a Subnet ==== | ||
From the detailed view of a subnet, click on the “Modify” button. | From the detailed view of a subnet, click on the “Modify” button. |