If the maximum number of Configuration Sets allowed in the system (500) has been configured, then the MME/SGSN Topology Hiding Configuration Sets page does not open.
Enter a unique name for the Configuration Set in the MME/SGSN Topology Hiding Configuration Set Name field.
Enter values for the Actual Hostname and associated Pseudo Hostnames in the appropriate fields.
Complete the optional fields as desired.
Click:
OK to save the changes and return to the MME/SGSN Topology Hiding Configuration Sets page.
Apply to save the changes and remain on this page.
Cancel to return to the MME/SGSN Topology Hiding Configuration Sets page without saving any changes.
If OK or Apply is clicked and any of the following conditions exist, then an error message appears:
Any required field is empty (no value was entered).
The value in any field is not valid or is out of range.
The MME/SGSN Topology Hiding Configuration Set Name is not unique; it already exists in the system.