Understanding Spanning Tree Protocol on Three Cisco Switches in Cisco Packet Tracer

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Published on August 23, 2017 12:30:33 AM ● Video Link: https://www.youtube.com/watch?v=Og5QHtt_V4s

Duration: 16:26

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This video shows you the working logic of the Spanning Tree protocol on four Cisco Switches on Cisco Packet Tracer.

✅ S U B S C R I B E ► http://goo.gl/8d0iG9
✅ Article ► https://www.sysnettechsolutions.com/en/spanning-tree-protocol-in-switching-understanding-stp-protocol/

To review the #Spanning #Tree #Protocol:

Step 1: First, add 3 Cisco Switches to the PT workspace and wire them with GigabitEthernet interfaces.

Step 2: Note the hardware MAC addresses of all the devices you added to the workspace with the show version command at the CLI command prompt.

Step 3: Also note the Priority values ​​in the Bridge ID section of all devices with show spanning-tree command in activation mode.

Step 4: Under normal circumstances, when multiple switches are linked together for redundancy, a device in the network environment is automatically configured as a Root Bridge. However, when determining the root device, the following 3 basic values ​​are calculated:

1) Cost
2) MAC Address + Priority
3) Lowest interface port

Step 5: Since all devices in the network topology in our video tutorial are configured with a gigabit ethernet interface, the cost value between each device will be 4. Therefore, we move on to the other option because the cost values ​​are equal.

Step 6: Don't forget to subscribe to our YouTube channel for more videos on the Cisco network with Packet Tracer!


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