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In this section:

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Use the DNS Group - Server window to configure DNS servers for a DNS group within a specific address context. 

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To View

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DNS Group

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Servers

On the SBC main screen, go to Configuration > System ProvisioningCategory: Base Provisioning >DNS >

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DNS Group >

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1Dns Group - Server
 

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Server or
All > Address Context > DNS Group > Server

The Server window opens showing all configured DNS servers. Use the Address Context and DNS Group drop-down lists to filter the list.

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DNS Group - Server

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To

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Create a DNS Group

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Server

To edit any of the Dns Group - Server in the list, click the radio button next to the specific Server name.

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1Dns Group - Server Highlighted
 

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The Edit Selected Server window is displayed below.

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1Dns Group - Server Edit Window
 

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Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

To Create Dns Group - Server

To create a new Dns Group - Server, click New Server tab on the Server List panel.

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1Dns Group - Server Fields
 

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A DNS server must be associated with a specific address context and DNS group. To create a DNS server:

  1. Select the Address Context and DNS Group with which you want to associate the DNS server. The New Server option becomes available. 
  2. Click New Server. The Create New Server window is displayed.

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  1. Create New Server

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  1. Window

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  1. Use the following table to configure the options and then click Save.

 

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DNS Group - Server Parameters

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Parameter

Description

Name

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The name for the DNS

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server

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State

The administrative state of the DNS

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server.

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  • Disabled (default)

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  • Enabled

Recursion

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Desired

Specifies whether to use recursion

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for the DNS

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server:

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  • True (default)

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  • False

IP

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Address

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V4

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or

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V6 

Specifies the

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IP v4 or IPv6 IP address of the DNS

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server.

 

Transport

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Protocol

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Specifies the transport protocol

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to use

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for DNS queries to the DNS server. Options are:

  • TCP

  • UDP (default)

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TCP

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Fallback

Enable

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this option to support TCP fallback for queries to this server when the transport protocol is configured as UDP.

  • Disabled (default)

  • Enabled

Priority

Specifies the DNS

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server priority. Must be 0-100; default is 0.

Weight

Specifies the

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load-sharing weight for this DNS server. Must be 0-100,default is 0.

Record Order

Specifies the

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record lookup order

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for the DNS server

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. The options are:

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  • Priority (default)

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  • —Specifies the

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  • lookup order is according to

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  • priority assignment.

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  • Roundrobin—Specifies to share and distribute local records among internal SBC processes in a round-robin fashion

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  • . Over a large number of calls, a fair amount of distribution occur across all DNS records.

  • Centralized

 

Note

There are 4 SCM task.

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  • -roundrobin—Specifies that the calls will access DNS record entries in a round-robin fashion with respect to the whole system.

Enter all the required fields. You can click Show only required fields at the left hand bottom of the panel to view and enter only the required fields to create a Server.

To Copy Dns Group - Server

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To Edit a DNS Group Server

To edit the configuration of a DNS group server:

  1. Click the radio button next to the server configuration you want to edit. The Edit Selected Server window opens.
  2. Modify the options as needed and click Save.

To Copy a DNS Group Server

To copy the configuration of a DNS group server and make changes to the copy:

  1. Click the radio button next to the

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1Dns Group - Server Highlighted
 

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Click Copy Server tab on the Server List panel.

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1Dns Group - Server Fields
 

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  1. server configuration you want to copy. The Copy Selected Server window

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1Dns Group - Server Copy Window
 

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  1. opens.
  2. Modify the options as needed and click Save.

To Delete

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a DNS Group

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Server 

To delete

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the configuration of a DNS group server:

  1. Click the radio button next to the

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  1. server configuration that you want to delete.
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1Dns Group - Server Highlighted
 

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  1. Click the Delete (X) icon at the end of the

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  1. row.

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  2. Confirm the deletion when prompted
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1Dns Group - Server Delete Confirmation
 

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  1. .

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