What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?

Last Updated: Jan 4, 2025
IT Exam Items Repository › Category: CCNA › What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?

What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?

  • the FIB
  • the routing table
  • the ARP table
  • the DSP

Explanation: CEF uses the FIB and adjacency table to make fast forwarding decisions without control plane processing. The adjacency table is pre-populated by the ARP table and the FIB is pre-populated by the routing table.​

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