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C H A P T E R 1 1
Area 0
Headquarters
ABR 2
160.26.25.1
160.26.25.2
Area 5
RIP and OSPF
IR 2
10.0.1.1
10.0.3.2
160.26.26.1
Virtual link
160.26.26.2
Chicago
Figure 25: OSPF configuration example
Area 0 is the backbone area. It is located at the headquarters and has
the following characteristics:
•
2 internal routers (IR1 and IR2)
•
2 area border routers (ABR1 and ABR2)
•
Network number 10.0.x.x
•
2 identified VLANs (HQ_10_0_2 and HQ_10_0_3)
10.0.1.2
ABR 1
10.0.3.1
161.48.2.2
Area 6 (stub)
IR 1
10.0.2.2
10.0.2.1
Los Angeles
161.48.2.1
480t_014
221
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