Kontron AT8402 CLI - Manual (Page 47)

AT8402 Switching Commands
Page 2 - 15 AT8402 CLI Reference Manual
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
<mstid>
is a number
that corresponds to the desired existing multiple spanning tree instance. The
<
slot/
port> is the desired switch port.
Format show spanning-tree mst port detailed <mstid> <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
Auto-Calculate Port Path Cost Indicates whether auto calculation for port path cost
is enabled.
Port Path Cost Configured value of the Internal Port Path Cost parameter.
Auto-Calculate External Port Path Cost Indicates whether auto calculation for
external port path cost is enabled.
External Port Path Cost Configured value of the external Port Path Cost parameter.
Designated Root The Identifier of the designated root for this port.
Designated Port Cost Path Cost offered to the LAN by the Designated Port
Designated Bridge
B ridge Identifier of the bridge with the Designated Port.
Designated Port Identifier Port on the Designated Bridge that offers the lowest cost
to the LAN.
If you specify 0 (defined as the default CIST ID) as the
<mstid>
, this command
displays the settings and parameters for a specific switch port within the common and
internal spanning tree. The
< slot/port> is the desired switch port. In this case, the
following are displayed.
Port Identifier The port identifier for this port within the CST.
Port Priority The priority of the port within the CST.
Port Forwarding State The forwarding state of the port within the CST.
Port Role
The role of the specified interface within the CST.
Port Path Cost The configured path cost for the specified interface.
Designated Root Identifier of the designated root for this port within the CST.
Designated Port Cost Path Cost offered to the LAN by the Designated Port.