Refer to the exhibit. An engineer implements uRPF to increase security and stop incoming spoofed IP packets. Same asymmetrically routed packets are also blocked after the configuration. Which command resolves the issue?
C. Tgis is the standard reachable-via rx command for older ios versions
D: This command doesn't exist. Older IOS versions didn;t support asymmetrical URPF
B: This is the problem we are trying to solve
Answer = A
C: ip verify unicast reverse-path is the command for older IOS versions, and only supports strict mode
D: This command does no exist. reverse-path does not support loose mode.
B: This is what is currently configured.
A: We want to allow asymmetrically return traffic by using loose mode.
key word is assymettric: Which means it's coming back to an unintended interface (not the next hop). Setting it to any means source can be any interface (not next hop)
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