09-10-2023, 08:02 PM
Distributed CEF (dCEF) mode - When dCEF is enabled, line cards maintain identical copies of the FIB and adjacency tables. The line cards can perform the express forwarding by themselves, and this relieves the main processor - Gigabit Route Processor (GRP) - of involvement in the switching operation. This is the only switching method available on the Cisco 12000 Series Router.
https://www.cisco.com/c/en/us/support/do...scoef.html
https://www.cisco.com/c/en/us/support/do...scoef.html