Edit an IP Pool in NSX

You can edit an IP pool.

Procedure

1	Log in to the vSphere Web Client.
2	Click Networking & Security and then click NSX Managers.
3	Click an NSX Manager in the Name column and then click the Manage tab.
4	Click the Grouping Objects tab and then click IP Pool.
5	Select the IP pool that you want to edit.
6	Click the Edit () icon. The Edit IP Pool dialog box opens.
7	Make the required edits.
8	Click OK. Note :- You can add more ip addresses in the pool range when the pool is in use but you cannot remove the ip addresses in the pool range when it is in use. you need to remove the ip pool from cluser's and for removing the ip pool in cluster you need to unconfigure the cluster Source:- VMware Documentation