Route Redistribution (EIGRP & OSPF)

I have watched through route redistribution video from CBT and it's really good and easy to understand.

Here is lab topology and objective. Download the complete GNS3 lab file from https://docs.google.com/leaf?id=0B889ogd4ltI2MWVlNjJmZWUtN2I2MS00NjA0LTk3M2EtYzVhOWVlNmI2MDg5&hl=en&authkey=CKTH6O0E

Objectives are as follow:

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The main points of the labs are as follow:

• Redistribute routes including external loopback routes from EIGRP AS 100 to OSPF and OSPF to EIGRP.
• But when EIGRP redistribute route to OSPF, default metric is 20 because external route to OSPF are set as 20.
• But when OSPF redistribute routes to EIGRP, default is infinite in EIGRP AS 100 and you can't see external routes even though using "redistribute ospf 1". To correct the problem define the five K-values metrics.
• In addition, you can restrict route redistribution by setting access-list from EIGRP to OSPF.
• But lab illustrate restrict redistribution from OSPF to EIGRP using ip prefix-list and allow only prefix list equal and less than 24.  So, three networks (10.1.11.0/30 , 10.1.11.5/30 and 10.1.11.9/30) are excluded.