What is the proper syntax for enabling Cisco Express Forwarding (CEF)?

What is the proper syntax for enabling Cisco Express Forwarding (CEF)?

What is the proper syntax for enabling Cisco Express Forwarding (CEF)?

A.
router(config)# ip cef

B.
router(config)# cef ip

C.
router(config)# cef enable

D.
router(config-if)# cef ip enable

Explanation:

To enable CEF on the route processor card, use the ip cef global command in global configuration mode. To disable CEF, use the no form of this command:
– ip cef [distributed]
– no ip cef [distributed]
To enable CEF operation on an interface after the CEF operation has been disabled, use the ip route-chache cef command in interface configuration mode. To disable CEF operation on an interface, use the no form of this command.



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