Compatible Systems 5.4 - Manual (Page 267)

Chapter 15 - OSPF 261
OSPF Virtual Link Dialog Box
To access the OSPF Virtual Link Dialog Box, select OSPF/OSPF Virtual
Link from the device view.
To add or modify the entries, select the appropriate button to access the Add
OSPF Virtual Link Dialog Box.
Add OSPF Virtual Link Dialog Box
This dialog box defines configuration parameters for an OSPF Virtual Link.
Virtual Neighbor IP Address
The virtual neighbor IP address is the largest IP address associated with the
router used for the virtual link.
Enable Virtual Link
This checkbox will specify whether an OSPF virtual link will operate. When
checked, it will activate the virtual link.