Ospf Configuration Example - Extreme Networks ExtremeWare XOS Guide Manual

OSPF Configuration Example

Figure 37 is an example of an autonomous system using OSPF routers. The details of this network
follow.
Figure 37: OSPF configuration example
Headquarters
ABR 2
160.26.25.2
Area 0 is the backbone area. It is located at the headquarters and has the following characteristics:
• Two internal routers (IR1 and IR2)
• Two area border routers (ABR1 and ABR2)
• Network number 10.0.x.x
• Two identified VLANs (HQ_10_0_2 and HQ_10_0_3)
Area 5 is connected to the backbone area by way of ABR1 and ABR2. It is located in Chicago and has
the following characteristics:
• Network number 160.26.x.x
• One identified VLAN (Chi_160_26_26)
ExtremeWare XOS 10.1 Concepts Guide
Area 0
IR 2
10.0.3.2
160.26.26.1
160.26.25.1
Virtual link
160.26.26.2
Area 5
10.0.1.1 10.0.1.2
ABR 1
10.0.3.1 10.0.2.1
161.48.2.2
Chicago
Area 6 (stub)
OSPF Configuration Example
IR 1
10.0.2.2
Los Angeles
161.48.2.1
EX_040
199