Allied Telesis Rapier Switch User Manual
Page 63

Layer 2 Switching
63
Software Release 2.5.1
C613-02025-00 REV B
Figure 4: Example output from the SHOW STP COUNTER command
STP Counters
------------------------------------------------------------
STP Name: default
Receive: Transmit:
Total STP Packets 0 Total STP Packets 1677
Configuration BPDU 0 Configuration BPDU 0
TCN BPDU 0 TCN BPDU 0
RST BPDU 0 RSTP BPDU 1677
Invalid BPDU 0
Discarded:
Port Disabled 0
Invalid Protocol 0
Invalid Type 0
Invalid Message Age 0
Config BPDU length 0
TCN BPDU length 0
RST BPDU length 0
------------------------------------------------------------
Table 20: Parameters in the output of the SHOW STP COUNTER command .
Parameter
Meaning
STP Name
The name of the STP.
Receive
STP packets received.
Total STP Packets
The total number of STP packets received. Valid STP
packets comprise Configuration BPDUs and Topology
Change Notification (TCN) BPDUs.
Configuration BPDU
The number of valid Configuration BPDUs received.
TCN BPDU
The number of valid Topology Change Notification BPDUs
received.
RST BPDU
The number of valid Rapid Spanning Tree BPDUs received
(RAPID mode only).
Invalid BPDU
The number of invalid STP packets received.
Transmit
STP packets transmitted.
Total STP packets
The total number of STP packets transmitted.
Configuration BPDU
The number of Configuration BPDUs transmitted.
TCN BPDU
The number of Topology Change Notification BPDUs
transmitted.
RST BPDU
The number of valid Rapid Spanning Tree BPDUs
transmitted (RAPID mode only).
Discarded
STP packets discarded.
Port Disabled
The number of BPDUs discarded because the port that the
BPDU was received on was disabled.
Invalid Protocol
The number of STP packets that had an invalid Protocol
Identifier field or invalid Protocol Version Identifier field.
Invalid Type
The number of STP packets that had an invalid Type field.
Invalid Message Age
The number of STP packets that had an invalid message
age.