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When the NIOS appliance receives a query from the specified IP address or network and the DNS lookup produces a response with multiple addresses, the NIOS appliance sorts the addresses so that those in the sort list are at the beginning of its response. This feature is also supported for the Infoblox-4030 appliance. For more information, refer to the Infoblox DNS Cache Acceleration Application Guide.

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Defining a Sort List

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To define a sort list for a Grid, member, or DNS view:

1. Grid: From the Data Management tab, select the DNS tab, expand the Toolbar and click Grid DNS Properties.
   Member: From the Data Management tab, select the DNS tab > Members tab -> member checkbox -> Edit icon.
   DNS View: From the Data Management tab, click the DNS tab -> Zones tab> dns_view checkbox -> Edit icon.
   To override an inherited property, click Override next to it and complete the appropriate fields.
2. In the editor, click Toggle Advanced Mode.
3. When the additional tabs appear, click Sort List.
4. Click the Add icon and select either Any to define a sort list for any address and network, or Address/Network to define a sort list for a particular source IP address or network.
5. Do the following in the new row:
   • If you selected Address/Network, enter the IP address or network of the source of the query. The feature supports IPv4 or IPv6 values.
   • Click the Add icon beside the source IP address to add the preferred IP addresses or networks for the source. You can add as many IP addresses as necessary. When you add multiple IP addresses, you can change the order of the IP addresses. Select an IP address and drag it to its new position, or click the up or down arrow, as shown in Figure 17.2.

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1. • the figure Sort List.

Sort List

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