Configure OSPF to summarize
addresses within an area.
Scenario:
You have been hired by The Washington
Post to setup a WAN for their 3 sites. You must setup sites in
summarizable groups of addresses to reduce the number of routes in
the routing table. You must use the area range command to summarize
OSPF Area 2.
Tasks:
Cable the lab as shown above.
Configure OSPF routing in Area
0, 1 and 2 as shown above. Ping all interfaces before continuing.
Enter show
ip route
Are there two separate routes to the
206.202.16.0 and 206.202.31.0 networks?
From the "Router B"
console
To setup multi-area OSPF
summarization on this router issue the following commands:
router-b(config)#router ospf 1
router-b(config-router)#area 2 range 206.202.16.0 255.255.240.0
router-b(config-router)#^Z
From the "Router A"
console
Enter show
ip route
What does "IA" represent?
How many bits are in the route for
206.202.16.0 ? Why?
What is the range of networks being
advertised?
Ping and trace to 206.202.31.1
What did the router reply with?
Enter trace
206.202.18.1
What did the router reply with?
Report your findings below: