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Re: OSPF Redistribution Challenge posted 01/22/2001
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For clarity, #4 should read,

"4.  On r3, advertise a default route to r4 if  AND ONLY if  r2 is
reachable from r3.  Do not use a default route in the ISIS domain. Only 
advertise
the addresses above from the ISIS domain to the OSPF domain."

Cheers,
-Mike

At 11:22 AM 1/22/01 -0500, Mike McSpedon wrote:
>Here's a challenge:
>
>r1e0===e0r2s0====s1r3s0=======s1r4e0
>
>r1e0: 170.10.1.1 /24
>r2e0: 170.10.1.2 /24
>r2s0:170.10.255.1 /30
>r3s1:170.10.255.2 /30
>r3s0: 135.5.192.1 /30
>r4s1: 135.5.192.2 /30
>r4e0: 135.5.112.0 /24
>
>Loopbacks:
>r3: 192.168.3.1
>r4: 192.168.4.1
>
>1. Routers 1, 2, and the 3 are routing IP via ISIS.
>2. OSPF is running only on the serial link between routers 3 and 4 and on
>the Ethernet on r4  (all Area 0).
>3 . Perform mutual redistribution between ISIS and OSPF on r3 .
>4. Advertise a default route to from r3 to r4 if  AND ONLY if  r2 is
>reachable.  Do not use a default route in the ISIS domain. Only advertise
>the address above from the ISIS domain to the OSPF domain.
>
>The answer is on the CD.
>
>Enjoy!
>-Mike
>
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