STP and Flex Link

  • STP Phases
    • 802.1D
      • Blocking
      • Listening
      • Learning
      • Forwarding
  • Flex Links
    • (do on fa0/23) switchport backup int fa0/24
      • Switchport fa0/24 goes into a standby state in an active/standby design
      • Interface remains after failover (no preempt), unless fa0/24 loses connection