CCIE Routing and Switching FAQ: IP Forwarding (Routing) Q1. What command is used to enable CEF globally for IPv4 packets? A. enable cef B. ip enable cef C. ip cef D. cef enable E. cef enable ip F. cef ip Answer: C Q2. What command is used to enable CEF globally for IPv6 packets? A. enable cef6 B. ipv6 enable cef C. ipv6 cef D. ip cef (the command automatically … [Read more...]