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Question 339 - 350-501 discussion
Refer to the exhibit.
Refer to the exhibit. A network engineer is configuring router RB to secure BGP advertisements against route hijacking activity. RB must validate all prefixes that it receives from origin AS 200 before installing them in the BGP route table.
Which configuration meets the requirement?
RB(config)# router bgp 100
RB(config-router)# address-family ipv4 unicast
RB(config-router-af)# bgp bestpath origin-as use validity
RB(config-bgp)# router bgp 100
RB(config-bgp)# bgp origin-as validation signal ibgp
RB(config-bgp)# bgp bestpath origin-as allow invalid
RB(config-bgp)# router bgp 100
RB(config-bgp)# bgp origin-as validation time off
RB(config)# router bgp 100
RB(config-router)# address-family ipv4 unicast
PB(config-router-af)# bgp origin-as validation enable
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