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Spanning Tree Protocol (STP) (Port State (Blocking, Listening, Learning,…
Spanning Tree Protocol (STP)
Timers
Hello [2 seconds]
Max Age [20 seconds]
Forward Delay [15 seconds]
Port Cost
10mb = 100
100mb = 19
1gb = 4
10gb = 2
Port State
Blocking
Listening
Learning
Forwarding
Disable
IEEE 802.1d
Benefits
Avoid Broadcast Storm
MAC Address instability
Avoid Loops
Avoid Multiple frame retransmission
Features
Etherchannel
PortFast
BPDU Guard