### Creating IP Pools

An IP pool is a sequential range of IP addresses within certain network. IP pool's range cannot intersect one another, thus one IP address belongs to one and only one IP pool.

Each IP Pool can have Exclusions specified: single IP address or series of IP addresses. The range of Exclusion should be within the range of corresponding IP pool. Creation of Exclusion allows HSP to impose restrictions within IP Pool range. Exclusion cannot intersect one another.

The total number of IP addresses should be equal to or greater than the number of Containers your Parallels Business Automation - Standard system is intended to run.

To create a new IP Pool:

1. Click IP Manager on the the Service Director submenu.
2. Select IP Pools from the IP Manager submenu. The list of all IP pools registered in Parallels Business Automation - Standard appears on the screen.
3. Click the New IP Pool button.
4. Fill the form that appears:
   1. Type the IP pool name (any alphanumeric identifier) in the IP pool title field;
   2. Type the starting IP address of the IP pool in the First IP address field;
   3. Type the ending IP address of the IP pool in the Last IP address field;
   4. Type the primary DNS server IP address in the Primary DNS IP field;
   5. Type the secondary DNS server IP address in the Secondary DNS IP field;
   6. Type the netmask of the IP pool subnet in the Netmask field (in the form like 255.255.255.0);
   7. You can mark the Enabled checkbox to allow assigning IP addresses from this IP pool;

      You can allow using the IP addresses from the new IP pool for particular types of hosting. To this effect, set the option button in the Allocation type section of the form to one of the hosting types.

   8. The newly created IP pool may be assigned to particular account(s). To allow all accounts to get IP addresses from this IP pool, set the option button to All. To use the IP pool for your internal needs only and do not allow IP addresses assignment for any other accounts, sel the option button to Hosting Provider. To assign an IP pool to a Reseller, set the option button to the Reseller, click the Select button and chose the Reseller account from the list that appears in the popup window.
   9. You can select the Hardware Node(s) which are allowed to get IP addresses from this IP pool. To allow all Hardware Nodes to receive IP addressed from this IP pool, set the radio button to All. To allow only selected Hardware Nodes to get IP addresses from this IP pool, set the radio button to Selected nodes only, click the Add button; select Hardware Node from the list that appears in the popup window. In order to unselect Hardware Node (in case of mistake, for example), click on a node name to select it and then click the Remove button. To allow nodes from a particular group to get IP addresses from this IP pool, set the option button to Selected Groups only. Select groups in the same way as nodes.
   10. You can add a free-form comment describing some additional properties of the IP pool into the Description field.
5. Click the OK button to save changes.

Possible error messages in connection with creation of the new IP Pool are enlisted in the table below.

Error Message | Description
Invalid first IP address. | Format of the first IP address is invalid.
Invalid last IP address. | Format of the last IP address is invalid.
Invalid primary DNS address. | Format of primary DNS address is invalid.
Invalid netmask. | Format of netmask is invalid.
First IP address and last IP address are in different subnets. | The first IP and the last IP addresses must belong to the same network.
IP Pool overlaps existing one. | The address range of the IP Pool must not intersect with IP ranges of the other IP Pools.
Invalid IP Pool range - the first IP address is greater then the last IP address. | IP addresses within IP Pool range shall come in series, in descending order.
Unable to delete/update IP Pool - some IP addresses are currently occupied by running Containers. | IP Pool creation/update calls for deletion of all IP addresses within new IP Pool range. If such IP addresses appear to be static or are occupied by currently running Containers, they cannot be deleted. As a result, an IP Pool cannot be created/updated) as well.
Can't create IP Pool without any permissions | Availability of permanent/dynamic IP addresses within the new IP Pool must be defined.
Can't move IP Pool | IP Pool "boundaries" cannot be transferred on an arbitrary basis. Updated IP Pool shall intersect with the original one.

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