A network administrator is concerned about the number of LSAs that they are observing on the network. What will reduce Type 7 LSAs advertised from R2 to the non-backbone routers shown in the exhibit?
A.
Configure no-summaries under area 0.0.0.2 on R2.
B.
Configure nssa under area 0.0.0.2 on R2.
C.
Configure no-nssa-abr under protocols ospf3 on R2.
D.
Configure no-summaries under protocols ospf3 on R2.
C is correct:
Disable exporting Type 7 LSAs into the NSSA.
This setting is useful if you have an AS boundary router that is also an ABR with an NSSA area attached.
C is correct
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/ospf3-nssa-filtering.html
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