Network operations report issues with receiving too many external routes, which caused CPU spike on routers with smaller memories. Which action resolves the issue?
A.
Configure the area range command when redistributing on ASBR.
B.
Configure the summary-address command when redistributing on ABR.
C.
Configure the area range command when redistributing on ABR.
D.
Configure the summary-address command when redistributing on ASBR.
https://www.geeksforgeeks.org/configuring-ospf-route-summarization-in-cisco/
ASBR summary-address <network-id> <prefix-mask> [not-advertise]
ABR area <area-id> range <network-id> <prefix-mask> [advertise |not-advertise]
E1/E2 come from ASBR.
The primary difference between area range and summary-address is in where the command should be applied. Area range should be applied on the ABRs when you are trying to summarize routes between OSPF areas. So area range is used to summarize Type 3 LSAs. On the other hand summary-address should be applied on the ASBRs when you are trying to summarize externally redistributed routes from another protocol domain (eigrp, bgp etc). So summary-address is used to summarize Type5/7 LSAs. One exception to this rule is when you have a NSSA area, the router that is responsible for the conversion of Type7 to Type 5 LSA can have the summary-address applied.
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