What from the following can cause an issue for URPF?
A. Assymetric routing
B. Cef not enabled
C. Urpf not applied to the traffic source
D. If it is usedas ingress filtering
What from the following can cause an issue for URPF?
What from the following can cause an issue for URPF?
A. Assymetric routing
B. Cef not enabled
C. Urpf not applied to the traffic source
D. If it is usedas ingress filtering
Yes, Option B is correct
An important consideration for deployment is that Cisco Express Forwarding switching must be enabled for Unicast RPF to function. This command has been enabled by default as of IOS version 12.2. If it is not enabled, administrators can enable it with the following global configuration command: ip cef
https://www.cisco.com/c/en/us/about/security-center/unicast-reverse-path-forwarding.html
A is not correct i guess. We can use loose mode and assymetric routing is not problem. B is correct.