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  • A DHCP range template, containing DHCP range settings, such as the total number of IP addresses allocated to a range. You can add a DHCP range template to a network template. For information, see About IPv4 Range TemplatesTemplates.
  • A fixed address/reservation template, containing information for creating fixed addresses, reservations, or roaming hosts. You can add a fixed address/reservation template to a network template. For information, see About IPv4 Network Templates.
  • A network template, containing basic network properties for creating networks. It is also a container that holds your DHCP range templates and fixed address/reservation templates. When you create a network using a network template, the network inherits the properties of the range and fixed address/reservation templates. You can create a network in any network view using a network template. For information, see About IPv4 Network Templates.

Because you can potentially add DHCP range and fixed address/reservation templates to a network template, create the DHCP range and fixed address/reservation templates before you create a network template. For information, see Configuration Example: Creating an IPv4 Network Using a Template.

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When you create an IPv4 range template, the start and end address fields are based on the specified offset from the network start address and the number of IP addresses in the range. After you create a DHCP range template, you can configure additional properties such as exclusion ranges and DHCP filters, as described in Modifying IPv4 Range Templates. Then when you use the template to create a DHCP range, the range inherits the properties of the template. You can also include a DHCP range template in a network template to automatically create a DHCP range when you use that network template.
If you have deployed the Cloud Network Automation license on the Grid Master, you can configure range templates for cloud delegation. When you select a default Cloud Platform Appliance for a template, all ranges you create using this template will delegate authority to the same Cloud member. Note that when a Cloud member is removed from the Grid, the delegation will also be removed from the template. For information about Cloud Network Automation, see Deploying Cloud Network Automation.

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  1. From the Data Management tab, select the DHCP tab -> Templates tab -> template check box, and then click the Edit icon.
  2. The DHCP Range Template editor contains the following tabs from which you can modify data:
    • General: Modify general information described in Adding IPv4 Range Templates.
    • Member Assignment: Change the Grid member, failover association, or Microsoft server that provides DHCP services for this template. You can also add or delete a member or failover association. For information, see Adding IPv4 Address Ranges. .
    • IPv4 DHCP Options: Keep the inherited DHCP options or override them and enter unique settings for the template. For information, see Defining IPv4 DHCP Options.
    • Extensible Attributes: Add and delete extensible attributes that are associated with this template. You can also modify the values of the extensible attributes. For information, see Using Extensible Attributes.
    • Permissions: This tab appears only if you belong to a superuser admin group. For information, see About Administrative Permissions.

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You can use an IPv4 fixed address/reservation template to create fixed addresses, reservations and roaming hosts.
When you create an IPv4 fixed address/reservation template, you can specify an offset and number of addresses. This is used when you include the template in a network template. When you include a fixed address/reservation template in a network template, the DHCP server automatically creates reservations based on the offset and number of addresses you specified in the fixed/address reservation template. It does not create fixed addresses.
After you create a fixed address/reservation template using the wizard, you can configure additional properties as described in Modifying IPv4 Fixed Address/Reservation Templates. Then when you use the template to create a fixed address, it inherits the properties of the template.
If you have deployed the Cloud Network Automation license on the Grid Master, you can configure fixed address templates for cloud delegation. When you configure a template for cloud delegation, all fixed addresses you create using this template will inherit authority delegations from their parent objects. For information about Cloud Network Automation, see Deploying Cloud Network Automation.

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  1. From the Data Management tab, select the DHCP tab -> Templates tab -> template check box, and then click the Edit icon.
  2. The Fixed Address/Reservation Template editor contains the following tabs from which you can modify data:

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  1. From the Data Management tab, select the DHCP tab -> Templates tab -> template check box, and then click the Edit icon.
  2. The IPv4 Network Template editor contains the following tabs from which you can modify data:
    • General: Modify general information described in Adding IPv4 Network Templates.
    • Member Assignment: Change the Microsoft servers or Grid members that provide DHCP services for this template. For information, see Adding IPv4 Networks.
    • Templates: Add or delete DHCP range and fixed address/reservation templates. For information, see see About IPv4 Range Templates Templates and About IPv4 Fixed Address/Reservation Templates.
    • IPv4 DHCP Options: Keep the inherited DHCP options or override them and enter unique settings for the template. For information, see Defining IPv4 DHCP Options.
    • RIR Registration: Modify RIR network information. This tab appears only when support for RIR updates is enabled. For information, see Modifying RIR Network Data.
    • Extensible Attributes: Add and delete extensible attributes that are associated with the template. You can also modify the values of the extensible attributes. For information, see Using Extensible Attributes.
    • Permissions: This tab appears only if you belong to a superuser admin group. For information, see Managing Permissions.

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  • First address 192.168.2.1 is reserved for the router
  • Next 10 addresses (192.168.2.2 to 192.168.2.11) reserved for servers
  • Next 10 addresses (192.168.2.12 to 192.168.2.21) reserved for printers
  • Next 10 addresses (192.168.2.22 to 192.168.2.31) assigned as fixed addresses
  • 100 addresses (192.168.2.32 to 192.168.2.131) reserved for workstations. The appliance assigns these dynamically.
  • 10 addresses (192.168.2.42 to 192.168.2.51) are in an exclusion range. If you assigned static addresses to certain hosts in the middle of an address range template, you can exclude the addresses from the address range template so the appliance does not assign these IP addresses to clients

Figure 28.1 illustrates illustrates the configurations of the 192.168.2/24 network using the network template you create:

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Use the following steps to create the sample network template (shown in Figure 28.1).

  1. Create the following DHCP range templates. For information, see Adding IPv4 Range Templates.
    • Server template with the following values:
      • Name: Servers
      • Offset: 2
      • Number of Addresses: 10
      • Comment: Address range 2 to 11 for Servers
    • Printer template with the following values:
      • Name: Printers
      • Offset: 12
      • Number of Addresses: 10
      • Comment: Address range 12 to 21 for printers.
    • Workstation template with the following values:
    • Name: Workstations
    • Offset: 32
    • Number of Addresses: 100
    • Comment: Address range 32 to 131 for DHCP on workstations
    • Exclusion range with the following values. You must modify the Workstations template to add the exclusion range. For information, see Modifying IPv4 Range Templates.
      • Name: Exclusion
      • Offset: 42
      • Number of Addresses: 10
      • Comment: Excluding addresses 42 to 51 from the DHCP range 32 to 131.

2. Create a fixed address/reservation template with the following values. For information, see Adding IPv4 Fixed Address/Reservation Templates.

    • Name: Router
    • Comment: Fixed address template
    • Offset: 1
    • Number of Addresses: 1

3. Create a fixed address/reservation template with the following values. For information, see Adding IPv4 Fixed Address/Reservation Templates.

    • Name: myFixedAddress
    • Comment: Fixed address template
    • Offset: 22
    • Number of Addresses: 10

4. Create a network template with the following values. For information, see Adding IPv4 Network Templates.

    • Name: myNetworkTemplate
    • Netmask: Select /24 as the fixed subnet mask for the network
    • Comment: Network template for /24 network
    • Automatically create are verse-mapping zone: Select this so that the NIOS appliance automatically creates the corresponding reverse-mapping zone for the network.

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