D-Link DES-3326SR User Manual page 236

DES-3326SR Layer 3 Fast Ethernet Switch User's Guide
To setup an OSPF Virtual Interface on the switch, click
the Virtual Interface Configuration link under the OSPF
folder:
Figure 6 - 57. Virtual Interface Configuration
To add an OSPF Virtual Interface on the switch, click the
New button:
Figure 6 - 58. Virtual Interface Configuration − Add
224