Configuring Routing 525Virtual Link ConfigurationUse the Virtual Link Configuration page to create or configure virtual interface information for aspecific area and neighbor. A valid OSPF area must be configured before this page can be displayed.To display the page, click Routing →OSPF →Virtual Link Configuration in the tree view.Figure 9-15. OSPF Virtual Link Configuration - CreateThe OSPF Virtual Link Configuration pages contain the following fields:• Virtual Link (Area ID - Neighbor Router ID) — Select the virtual link for which you want to displayor configure data. It consists of the Area ID and Neighbor Router ID. To create a new virtual link,select Create New Virtual Link from the drop-down menu to define a new virtual link. When CreateNew Virtual Link is selected, the following fields appear:– Area ID — The 32-bit integer in dotted decimal format that uniquely identifies the area to whicha router interface connects.– Neighbor Router ID — The 32-bit integer in dotted decimal format that uniquely identifies theneighbor router that is part of the virtual link.• Hello Interval — Enter the OSPF hello interval for the specified interface in seconds. This parametermust be the same for all routers attached to a network. Valid values range from 1 to 65535. The defaultis 10 seconds.
