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5
Configuring Interfaces
Configuring OSPF over an Unnumbered Interface
Using Virtual Links
The graphic below shows a network configuration that uses both virtual links
and an unnumbered serial link. Nokia Platform A has two OSPF areas
configured (Area 1 and Area 3), but it is not physically connected to the
Backbone area. Thus, a virtual link is configured between Nokia Platform A
and Nokia Platform C. A virtual link is also configured between Nokia
Platform B and Nokia Platform C because Nokia Platform B also is not
physically connected to the Backbone area. Both Nokia Platform B and Nokia
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Voyager Reference Guide
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