Kontron AT890X Full-Size CLI - Manual (Page 48)

Switching Commands AT8901/2/3
AT8901/2/3 CLI Reference Manual Page 2 - 14
2.2.19 show spanning-tree interface
This command displays the settings and parameters for a specific switch port within
the common and internal spanning tree. The
<
unit/slot/port> is the desired switch port.
The following details are displayed on execution of the command.
Format show spanning-tree interface < unit/slot/port >
Modes Privileged EXEC
User EXEC
Hello Time Admin hello time for this port.
Port mode Enabled or disabled.
Port Up Time Since Counters Last Cleared Time since port was reset, displayed in
days, hours, minutes, and seconds.
STP BPDUs Transmitted Spanning Tree Protocol Bridge Protocol Data Units sent
STP BPDUs Received Spanning Tree Protocol Bridge Protocol Data Units received.
RST BPDUs Transmitted Rapid Spanning Tree Protocol Bridge Protocol Data Units
sent
RST BPDUs Received Rapid Spanning Tree Protocol Bridge Protocol Data Units
received.
MSTP BPDUs Transmitted Multiple Spanning Tree Protocol Bridge Protocol Data
Units sent
MSTP BPDUs Received Multiple Spanning Tree Protocol Bridge Protocol Data
Units received.
2.2.20 show spanning-tree mst port detailed
This command displays the detailed settings and parameters for a specific switch port
within a particular multiple spanning tree instance. The parameter
is a number
that corresponds to the desired existing multiple spanning tree instance. The
<
unit/slot/
port> is the desired switch port.
Format show spanning-tree mst port detailed <unit/slot/
port>
Mode Privileged EXEC
User EXEC
MST Instance ID The ID of the existing MST instance.
Port Identifier The port identifier for the specified port within the selected MST
instance. It is made up from the port priority and the interface number
of the port.
Port Priority The priority for a particular port within the selected MST instance.
The port priority is displayed in multiples of 16.
Port Forwarding State Current spanning tree state of this port.
Port Role
Each enabled MST Bridge Port receives a Port Role for each spanning
tree. The port role is one of the following values: Root Port, Desig-
nated Port, Alternate Port, Backup Port, Master Port or Disabled Port