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Page 196 / 400 Scroll up to view Page 191 - 195
User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
8-128
Switching Commands
202-10088-01, March 2005
CST Regional Root
Bridge Identifier of the common spanning tree regional root. It is
derived using the bridge priority and the base MAC address of the
bridge.
Regional Root Path Cost
Path cost to the common spanning tree Regional Root.
Associated FIDs
List of forwarding database identifiers currently associated with this instance.
Associated VLANs
List of VLAN IDs currently associated with this instance.
When the “brief” optional parameter is included, this command displays spanning tree settings for
the bridge. In this case, the following details are displayed.
Bridge Priority
Specifies the bridge priority for the spanning tree.
Bridge Identifier
The bridge identifier for the selected instance.
Bridge Max Age
Specifies the bridge maximum age for the spanning tree.
Hello Time
Configured value of the parameter for the common spanning tree.
Bridge Forwarding Delay
Specifies the time spent in “Listening and Learning” mode
before forwarding packets. Bridge Forwarding Delay must be
greater or equal to “(Bridge Max Age/2) + 1”. The time range is
from 4 seconds to 30 seconds. The default value is 15.
Bridge Hold Time
Minimum time between transmission of Configuration Bridge
Protocol Data Units (BPDUs).
show spanning-tree interface
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. The following details are
displayed on execution of the command.
Format
show spanning-tree interface
<
slot/port
>
Modes
Privileged EXEC
User EXEC
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.
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User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
Switching Commands
8-129
202-10088-01, March 2005
MSTP BPDUs Transmitted
Multiple Spanning Tree Protocol Bridge Protocol Data Units sent
MSTP BPDUs Received
Multiple Spanning Tree Protocol Bridge Protocol Data Units received.
show spanning-tree mst detailed
This command displays settings and parameters for the specified multiple spanning tree instance.
The instance <mstid> is a number that corresponds to the desired existing multiple spanning tree
instance ID. The following details are displayed.
Format
show spanning-tree mst detailed
<
mstid
>
Modes
Privileged EXEC
User EXEC
MST Instance ID
The ID of the MST being created.
MST Bridge Priority
The bridge priority for the MST instance selected.
Time Since Topology Change
The time in seconds since the topology changed.
Topology Change Count
Number of times the topology has changed for this multiple spanning tree
instance.
Topology Change in Progress
Value of the Topology Change parameter for the multiple spanning
tree instance.
Designated Root
Identifier of the
Regional Root for this multiple spanning tree instance.
Root Path Cost
Path Cost to the Designated Root for this multiple spanning tree instance.
Root Port Identifier
Port to access the Designated Root for this multiple spanning tree instance.
Associated FIDs
List of forwarding database identifiers associated with this instance.
Associated VLANs
List of VLAN IDs associated with this instance.
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 instance <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 and User EXEC
MST Instance ID
The ID of the MST instance.
Port Identifier
The port identifier for the specified port within the spanning tree.
Page 198 / 400
User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
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Switching Commands
202-10088-01, March 2005
Port Priority
The priority for a particular port within the selected MST
instance.
Port Forwarding State
Current spanning tree state of this port
Port Role
Each MST Bridge Port that is enabled is assigned a Port Role for
each spanning tree.
Port Path Cost
Configured value of the Internal 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
Bridge 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 0 (defined as the default CIST ID) is passed as the <mstid>, then 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.
Designated Bridge
The bridge containing the designated port
Designated Port Identifier
Port on the Designated Bridge that offers the lowest cost to
the LAN
Topology Change Acknowledgement
Value of flag in next Configuration Bridge Pro-
tocol Data Unit (BPDU) transmission indicating if a topology
change is in progress for this port.
Hello Time
The hello time in use for this port.
Edge Port
The configured value indicating if this port is an edge port.
Edge Port Status
The derived value of the edge port status.
True if operating as an
edge port; false otherwise.
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User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
Switching Commands
8-131
202-10088-01, March 2005
Point To Point MAC Status
Derived value indicating if this port is part of a point to
point link
.
CST Regional Root
The regional root identifier in use for this port.
CST Port Cost
The configured path cost for this port.
show spanning-tree mst port summary
This command displays the settings of one or all ports within the specified multiple spanning tree
instance. The parameter <mstid> indicates a particular MST instance.
The parameter {<slot/port>
| all} indicates the desired switch port or all ports.
If 0 (defined as the default CIST ID) is passed as the <mstid>, then the status summary is
displayed for one or all ports within the common and internal spanning tree.
Format
show spanning-tree mst port summary <mstid> {<slot/
port> | all}
Mode
Privileged EXEC and User EXEC
MST Instance ID
The MST instance associated with this port.
Slot/Port
Valid slot and port number separated by forward slashes.
Type
Currently not used.
STP State
The forwarding state of the port in the specified spanning tree
instance
Port Role
The role of the specified port within the spanning tree.
Link Status
The operational status of the link. Possible values are “Up” or
“Down”.
Link Trap
The link trap configuration for the specified interface.
show spanning-tree mst summary
This command displays summary information about all multiple spanning tree instances in the
switch. On execution, the following details are displayed.
Format
show spanning-tree mst summary
Mode
Privileged EXEC and User EXEC
MST Instance ID List
List of multiple spanning trees IDs currently configured.
For each MSTID:
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User Manual for the NETGEAR 7300S Series Layer 3 Managed Switch Software
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Switching Commands
202-10088-01, March 2005
Associated FIDs
List of forwarding database identifiers associated with this
instance.
Associated VLANs
List of VLAN IDs associated with this instance.
show spanning-tree summary
This command displays spanning tree settings and parameters for the switch. The following details
are displayed on execution of the command.
Format
show spanning-tree summary
Mode
Privileged EXEC and User EXEC
Spanning Tree Adminmode
Enabled or disabled.
Spanning Tree Version
Version of 802.1 currently supported (IEEE 802.1s, IEEE 802.1w,
or IEEE 802.1d) based upon the Force Protocol Version parame-
ter
Configuration Name
Identifier used to identify the configuration currently being used.
Configuration Revision Level
Identifier used to identify the configuration currently
being used.
Configuration Digest Key
Identifier used to identify the configuration currently being
used.
MST Instances
List of all multiple spanning tree instances configured on the
switch
show spanning-tree vlan
This command displays the association between a VLAN and a multiple spanning tree instance.
The <vlanid> corresponds to an existing VLAN ID.
Format
show spanning-tree vlan <vlanid>
Mode
Privileged EXEC and User EXEC
VLAN Identifier
Associated Instance
Identifier for the associated multiple spanning tree instance or
"CST" if associated with the common and internal spanning tree

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