Hi, I have two SFP ports configured on VLAN 1 on my MS120-24P switch. Today, I attempted to set up VLAN 4 on one of the SFP ports. After completing the configuration and connecting the target device, it appears to be working. However, for some reason, RSTP is blocking the port, and I’m seeing the following message: "STP discarding packet from this port.". Any suggetion. Thank You!
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