Interface: Fa1/1
Error Code: ALERT-5-STP_BLOCK
Timestamp:  2020 04 28 19 12 03
Description:  This port is blocked by Spanning Tree Protocol (STP).
Recommendation:  Make sure that no Spanning Tree Protocol loops exist in the network.


Interface: Fa1/2
Error Code: ALERT-5-STP_BLOCK
Timestamp:  2020 08 10 11 34 47
Description:  This port is blocked by Spanning Tree Protocol (STP).
Recommendation:  Make sure that no Spanning Tree Protocol loops exist in the network.


Error Code: ALERT-5-COLLISION_ERR
Timestamp:  2020 08 27 13 50 25
Description:  Detected lower performance on this link, possibly because of half duplex configuration or duplex mismatch.
Recommendation:  Change the duplex setting of both the ports on this link to "auto" or "full-duplex".


Interface: Fa1/3
Error Code: ALERT-4-PORT_PSECURE_VIOLATION
Timestamp:  2020 08 27 13 53 22
Description:  Access denied to one or more connecting devices on this port.
Recommendation:  Maximum allowed devices on this port are already connected, or an unauthorized device attempted to connect on this secure port. Disconnect the device.


Error Code: ALERT-5-ALIGN_FCS_ERR
Timestamp:  2020 08 27 13 48 25
Description:  Detected a faulty cable, or bad hardware on connected device, or the connected device is generating frames with bad Frame Check Sequence (FCS).
Recommendation:  Change the duplex setting of both the ports on this link to "full-duplex" or change the duplex setting of this port to "auto". Check if the cable is faulty and replace it if needed. The hardware on the connected device might be bad, disconnect the connected device.


Error Code: ALERT-5-RX_TX_ERR
Timestamp:  2020 08 27 13 48 25
Description:  Detected a possible over-utilization of the switch link or bad frames generated by the connected device.
Recommendation:  Change the port settings of this port to "auto". It might help to create an Ether Channel by grouping this port with other under-utilized or unused ports. Disconnect the connected device.


Interface: Fa1/4

Interface: Fa1/5

Interface: Fa1/6

Interface: Fa1/7

Interface: Fa1/8

Interface: Gi1/1

Interface: Gi1/2

Global Errors :

 Global Errors :
