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Refer to the exhibit. Switch SW1 is connected into a LAN running STP. Port 1/1 is configured as a trunk port and connected to the LAN to participate in the STP network. SW1 converges into the STP network, but don't go through Listening and Learning states. Looking at the output, what can be the cause of the issue?

The priority must be set to 32768.

Port Guard is not enabled on the port 1/1.

Vlan 1 is in blocking state.

Portfast feature is enabled.

Explanation

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