August 2005
Intermediate to advanced
798 pages
31h 12m
English
ip cef — global
ip cef [distributed] no ip cef
Cisco Express Forwarding (CEF)
Depends on the hardware; usually disabled
This command enables CEF on the router. CEF is a Layer 3 switching technology that increases network performance for certain types of network traffic.
The optional distributed keyword enables distributed CEF (dCEF), which distributes CEF information to line cards on the router.