The following table lists and describes the fields that must be configured for a loopback interface:
| Field | Description |
|---|---|
| Segment | Select a segment from the drop-down list. The loopback interface belongs to the selected segment. |
| IP Address | Enter the IP address for the loopback interface. |
| CIDR Prefix | The CIDR prefix for the loopback interface IP address. The default value is /32. You cannot modify the default value. |
| Interface ID | Enter a unique ID for the loopback interface. The ID must be unique across all segments within an Edge and must start from 1, as Zero (0) is not supported. |
| Advertise | Select the checkbox to advertise the loopback interface to other branches in the network. |
| ICMP Echo Response | Select the checkbox to enable the loopback interface to respond to ICMP echo messages. |
| OSPF |
Select the checkbox and choose an OSPF Area from the drop-down list. The loopback interface IP address is advertised in the selected OSPF area.
Note: This option is enabled only when you have configured OSPF for the segment that you have selected for the loopback interface.
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