What are two concerns when implementing CEF switching?

What are two concerns when implementing CEF switching? (Choose two.)

What are two concerns when implementing CEF switching? (Choose two.)

A.
increased CPU utilization from maintaining the FIB table

B.
increased memory requirement

C.
the requirement to disable other IOS features such as NBAR and MQC

D.
increased memory requirement on the VIP when implementing DCEF

E.
configuration complexity

F.
troubleshooting complexity because of the many tables that CEF maintains



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