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Working with IP Rules
IP Rules allow users to exclude IP addresses from being assigned (via Sm= art Assign or Direct Assign) based on the address position in the block (i.= e., first address, last address, nth from last).
IP Rules can be accessed from IPAM Manage or the IPAM Gadget, in the blo= ck's Action Menu (gear icon). IPAM users may view rules applied to a block,= apply an existing rule to a block, or create a new rule for a block. Only = one rule may be applied per block, and rules applied to a parent block affe= ct the child blocks below it in the tree.
Admin users may view all existing IPAM Rules, the blocks affected b= y each rule, and delete rules through the IPAM Admin - IP Rules page.
From the IPAM Manage screen or IPAM Gadget, click on the Action Menu (ge= ar icon) for the block you wish to apply a rule. Select "IP Rules". = p>
The IP Rules screen will pop up. From here, you can view existing rules = applied to the block (or the parent block), search for and apply an existin= g rule, or create a new IP Rule.
To create a new rule, leave the "Search Rule" input empty, and hit the "= Continue" button.
The Manage Ruleset screen will appear, prompting you to enter a Ruleset = name, and select positions to reserve.
Type in the desired name for the new rule, and one or multiple positions= (denoted by integers separated by commas) into the box below the name.
When complete, click the "Save" button, or hit "Cancel" to exit without = saving. The Rule preview screen will appear.
Reserved addresses are set by their position in the block. Positions sta= rt at '1', for the first address in a block, and step up by one for each su= bsequent IP address. The last position in a block is '0', representin= g the last address, and steps down a negative integer for each position fro= m last - so the last three addresses in a block would be represented by (0,= -1, -2). When reserving multiple positions, the typed order of the po= sitions does not matter.
Position examples:
(1) - Reserves the first IP
(0) - Reserves the last IP
(1,2,3) - Reserves the first three IPs
(0, -1, -2) - Reserves the last three IPs.
(1,2,3,0,-1,-2) - Reserves the first three and last three IPs
Review the list of excluded IP addresses affected by the rule, then clic= k "Apply" to finalize the selection.
If desired, you can exit out of applying the rule by clicking "Discard",= and closing the screen.
Once changes are applied, the rule will show the name, affected CIDR(s),= affected IPs, and an option to remove the rule.
From the IPAM Manage screen or IPAM Gadget, click on the Action Menu (ge= ar icon) for the block you wish to apply a rule. Select "IP Rules". = p>
The IP Rules screen will pop up. From here, you can search for existing = rules by typing a few letters of the Rule name in the search box, then sele= cting the desired rule.
Once selected, hit the "Continue" Button.
Review the list of excluded IP addresses affected by the rule, then clic= k "Apply" to finalize the selection.
If desired, you can exit out of applying the rule by clicking "Discard",= and closing the screen.
Once changes are applied, the rule will show the name, affected CIDR, af= fected IPs, and present with an option to remove the rule.
When a rule is applied, an indicator icon will be visible next to the bl= ock.
From the IPAM Manage screen or IPAM Gadget, click on the indicator icon = or open the Action Menu (gear icon) for the desired block and select "IP Ru= les".
The details for the existing rule applied to the block will be shown. To= remove the rule from the block, click the "Remove" button and confirm.
The rule will still be able to be re-applied and usable by other blocks,= simply no longer applied to the current block.
For additional information on working with IP Blocks and IP Rules, inclu= ding Admin-level tasks, see the following areas: