What are two characteristics of Cisco Express Forwarding (CEF)? (Choose two.)

IT Questions BankWhat are two characteristics of Cisco Express Forwarding (CEF)? (Choose two.)

What are two characteristics of Cisco Express Forwarding (CEF)? (Choose two.)

  • When a packet arrives on a router interface, it is forwarded to the control plane where the CPU searches for a match in the fast-switching cache.
  • This is the fastest forwarding mechanism on Cisco routers and multilayer switches.
  • With this switching method, flow information for a packet is stored in the fast-switching cache to forward future packets to the same destination without CPU intervention.
  • When a packet arrives on a router interface, it is forwarded to the control plane where the CPU matches the destination address with a matching routing table entry.
  • Packets are forwarded based on information in the FIB and an adjacency table.

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