STP log messages
The log messages in this section are for Spanning Tree Protocol (STP) issues.
Interface shut down because BPDUs detected
ID |
8000 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"BPDU Guard: BPDU detected on <interface_name>. Shutting down <interface_name>.\" |
Meaning |
Bridge protocol data units (BPDUs) were detected on the specified interface, which will be shut down. |
BPDU guard resetting interface
ID |
8001 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"BPDU Guard: Resetting <interface_name>.\" |
Meaning |
BPDU guard detected BPDUs on the specified interface, which will be reset. |
STP loop protection detected BPDU loss on port
ID |
8100 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Loop Protection: BPDU loss detected on Port <port_name> (changed state to discarding)\" |
Meaning |
The STP loop-protection feature detected BPDU loss on the specified port. |
STP loop protection detected BPDUs resumed on port
ID |
8101 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Loop Protection: BPDUs resumed on Port <port_name>\" |
Meaning |
The STP loop-protection feature detected that BPDUs have resumed on the specified port. |
STP root guard unblocked port
ID |
8102 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Root Guard: Un-blocking Port <port_name> (STP instance <STP_instance_ID>)\" |
Meaning |
The STP root-guard feature unblocked the specified port. |
STP root guard blocked role transition
ID |
8103 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Root Guard: Blocking Role Transition on Port<port_name> (STP instance <STP_instance_ID>)\" |
Meaning |
The STP root-guard feature blocked a change in the role on the specified port. |
STP root guard detected superior BPDUs received
ID |
8150 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Root Guard: Superior BPDUs received on Port <port_name> (STP instance <STP_instance_ID>)\" |
Meaning |
The STP root-guard feature detected that the specified port received superior BPDUs. |
STP root guard detected superior BPDUs stopped
ID |
8151 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP Root Guard: Superior BPDUs stopped on Port <port_name> (STP instance <STP_instance_ID>)\" |
Meaning |
The STP root-guard feature stopped the specified port from receiving superior BPDUs. |
STP enabled on interface
ID |
8250 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"user <user_name> enabled STP on <FortiSwitch_serial_number> interface <interface_name>\" |
Meaning |
The specified user enabled STP on the specified switch interface. |
STP disabled on interface
ID |
8251 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"user <user_name> disabled STP on <FortiSwitch_serial_number> interface <interface_name>\" |
Meaning |
The specified user enabled STP on the specified switch interface. |
STP edge port enabled on interface
ID |
8252 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"user <user_name> enabled STP on <FortiSwitch_serial_number> interface <interface_name>\" |
Meaning |
The specified user enabled an STP edge port on the specified switch interface. |
STP edge port disabled on interface
ID |
8253 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"user <user_name> enabled STP on <FortiSwitch_serial_number> interface <interface_name>\" |
Meaning |
The specified user disabled an STP edge port on the specified switch interface. |
STP instance changed role or state
ID |
8255 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
|
Meaning |
The specified user changed the role or state of the STP instance. |
Port changed state in RPVST+ domain
ID |
8256 |
Type |
Event log |
Subtype |
Spanning tree |
Severity |
Notice |
Message |
msg=\"STP RPVST: port id <port_name> state changed to <state>\" |
Meaning |
The specified port changed state in a per-VLAN RSTP (Rapid PVST+ or RPVST+) domain. |