
Configuring IP, ARP, RARP, RIP, and OSPF Services
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308627-14.20 Rev 00
Virtual links can be configured between any pair of area border routers that have
interfaces to a common transit (non-backbone) area. The transit area transports
traffic that is neither locally originated nor locally destined. In Figure 6-5
, area 2
functions as a transit area.
Figure 6-5. Virtual Link and Transit Area
Backbone 0 area
Area 2 network
Area 1 network
Key
Virtual
link
Transit area
IP0050B
Border
router B
Border
router A
Area 2
internal
router
Area 1
internal
router
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