EIGRP Redistribution

I am studying about EIGRP redistribution and see the following configuration. What does “passive-interface FastEthernet0/0” do after “redistribute eigrp 2”?

router eigrp 1
 redistribute ospf 1 metric 1000 100 1 255 1500
 redistribute eigrp 2 passive-interface FastEthernet0/0
 network 192.168.3.0
!
router eigrp 2
 redistribute ospf 1 metric 1000 100 1 255 1500
 redistribute eigrp 1 network 192.168.4.0
 network 172.16.0.0

As a guess I would say that eigrp AS 1 will not advertise the redistributed routes on ethernet 0/0

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This is a late reply but just in case someone else sees it…

There is no redistribute eigrp 2 passive-interface FastEthernet0/0 command. Passive interface should be on the next line :wink:

R1(config)#router eigrp 1
R1(config-router)#redistribute eigrp 2
R1(config-router)#passive-interface Gi0/1