What command is typically issued to disable STP features on a switch port?

What command is typically issued to disable STP features on a switch port?

• A. no spanning-tree
• B. disable spanning-tree
• C. shut down spanning-tree
• D. remove spanning-tree

Answer: (A)

The command "no spanning-tree" is utilized to disable Spanning Tree Protocol (STP) on a specific switch port. When this command is entered in the interface configuration mode of a Cisco switch, it effectively turns off STP for that port, allowing it to bypass the STP process. This capability is particularly useful in environments where you are certain that network loops will not occur, or in cases where a certain port will be directly connected to devices that do not create loop conditions, such as end devices rather than switches. Understanding the role of STP is crucial for network management. STP is designed to prevent loops in Ethernet networks by blocking redundant paths. However, there are times in a controlled setup or specific applications where it might be beneficial to wholly disable this feature on certain ports. The other options do not represent valid commands recognized in Cisco IOS for disabling STP. They reflect variations that could easily confuse the user but do not result in the desired outcome of turning off STP on a port.

The command "no spanning-tree" is utilized to disable Spanning Tree Protocol (STP) on a specific switch port. When this command is entered in the interface configuration mode of a Cisco switch, it effectively turns off STP for that port, allowing it to bypass the STP process.

This capability is particularly useful in environments where you are certain that network loops will not occur, or in cases where a certain port will be directly connected to devices that do not create loop conditions, such as end devices rather than switches.

Understanding the role of STP is crucial for network management. STP is designed to prevent loops in Ethernet networks by blocking redundant paths. However, there are times in a controlled setup or specific applications where it might be beneficial to wholly disable this feature on certain ports.

The other options do not represent valid commands recognized in Cisco IOS for disabling STP. They reflect variations that could easily confuse the user but do not result in the desired outcome of turning off STP on a port.