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How to Edit an Existing Pool

In this tutorial we will demonstrate how to edit existing Record Pools in Constellix DNS. We will be using A Record Pools as the example, however the same steps can also be applied to CNAME/ANAME and AAAA record pools. 

1. Select A(IPv4) Pools
Click Managed DNS in the sidebar menu, and then choose A Record Pools from the drop-down.

2. Click Edit
Click on the pencil icon below "Add New Pool"

3. Enter Values
On this screen, you will add the information for your pool. Follow the steps below:

A. Name: Give your pool configuration an identifiable name.
B. Num Return: Enter the number of IP’s you want to have returned in the pool.
C. Min Available: enter the minimum number of IP’s that must be available in the pool.
D. Enable ITO: For more information on ITO, click here
E. Contact Notify: Allows you to select a Contact list to send notifications to.

F. IP: The IPv4 address you are pointing to.
G. Weight: You can give each of the IPs in a pool a different weight, depending on if you want to send more or less traffic to each one. A higher weight will send more traffic to that IP. See the Weighted Round Robin tutorial to learn more.
H. Sonar Check: if you set the policy in the step below to "Follow Sonar" or "Off on Failure", click the text box and you will be presented with a dropdown list of your Sonar checks. You can search through them by typing the associated IP or FQDN in the text box. If you do not choose "Follow Sonar" or "Off on Failure", skip this step. 
I. Policy: There are four policies: "Follow Sonar", "Always On", "Always Off", and "Off on Failure". Follow Sonar will turn the record on or off depending on the status of a preconfigured Sonar Check. Always On will ensure that that value is always active in the pool. Always Off ensures that value is not returned, allowing you to keep the value "off" but in place for later use. Off on Failure is the same as Follow Sonar except that once Sonar marks the check as "down", that record will no longer be returned even after the check comes back "up". 
J. Add Another IP: You will need to click this for each additional value you want to add into the record pool.

Once you are satisfied with the pool, click Save at the bottom of the window to store the pool. Don't forget to commit changes!

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