Refer to the exhibit. The primary link between R1 and R2 went down, but R3 is still advertising the 192.168.200.0/24 network to R1 and the 192.168.100.0/24 network to R2, which creates a loop. Which action resolves the issue?
A.
Configure the eigrp stub command under the EIGRP process on R2.
B.
Configure the summary-address 192.168.0.0 255.255.0.0 100 command on R3.
C.
Configure the eigrp stub command under the EIGRP process on R3.
D.
Configure the eigrp stub leak-map command under the EIGRP process on R1.
Note this question would be better stated like: The it person tried to configure this router. He does not now what he did and somebody needs to fix this before a full redesign of the network is required (because he is fired and needs to take his career to some other company). What a stupid question.
I also agree here, why would there be any loop. It is normal behavior that a router advertise routes to others, a loop can occur when redistribution is done wrong. However, by default this should not happen. If they do not want redundancy (where routing is actually providing), you can disable this by some stupid config change.
one possible reason for loop:
R1 and R2 has connection to R4 (not shown) which has back door connections to 192.168.200.0, and 192.168.100.0. The link between R1 --> R2 goes down and creates loop.
Stop advertise on R3 with stub, now R4 only has backdoor paths.
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Pietjeplukgeluk
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