ospf question

From: Tao Yang (yangtao.mike@gmail.com)
Date: Mon Mar 12 2007 - 13:17:54 ART


I have a ospf question. The diagram is as following. The 3 router running ospf.

R1's configure
interface Loopback0
 ip address 192.168.0.1 255.255.255.0
router ospf 100
 network 192.168.0.1 0.0.0.255 area 1

If we shutdown s0 interface on R1, R3 will lost the route to R1's lo1 interface.
How could we advertise the lo1 route to R3.
I have try with these 3 ways on R1, but it doesn't work.
1. "redistribute connected subnets"
2. "area 0 range 192.168.0.0 255.255.0.0"
3. "summary-address 192.168.0.0 255.255.0.0"

 lo1 area 0
    R1<------------------>R2
  s0 \ /
        \ /
 area1 \ / area2
            \ /
                R3



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