Beta Draft Confidential
7-501/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring Trunks
Configuring VNN OSPF
Configuring VNN OSPF Virtual Links
To configure virtual links for VNN:
1. Expand the instance node for the switch to which you want to add a VNN OSPF
virtual link.
2. Expand the VNN class node.
3. Right-click on the VNN Virtual Links class node and select Add from the pop-up
menu.
The Add VNN Virtual Link dialog box appears (Figure 7-21).
Figure 7-21. Add VNN Virtual Link Dialog Box
4. Complete the fields as described in Table 7-10.
Table 7-10. Add VNN Virtual Link Dialog Box Fields
Field Action/Description
Area ID Enter the area ID (x.x.x.x) of the transit area, which is the
non-backbone area that the virtual link traverses to connect to the
backbone area. This ID cannot be 0.0.0.0 (the Area ID of the
backbone area).
Areas are collections of networks, hosts, and routers. The area ID
identifies the area.
Note: VNN OSPF virtual links require a loopback address configured
in both ABRs, where the area is equal to the area ID. For instance, if
the area ID is 0.0.0.99, then the loopback address must also be
0.0.0.99.
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