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Spanning Tree Device Config report

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Stuart Hill
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To run a Spanning Tree Device Config report

 

The Spanning Tree Device Config report details STP configuration for the selected device. It shows VTP settings where appropriate, and SNMP errors. It details device configuration, and configuration details on the ports that are used to connect to each VLAN.

 

spanning_tree_device_config_2.jpg

 

STP VLAN Settings details:

Name Description
Device name of the selected device.
Sample Date the date that the device configuration data refers to.
VTP Domain Name domain name. When it is blank, then the domain is NULL.
VTP Mode it can be either Server, Client or Transparent. The mode that the switch is configured to will determine how the switch sources and handles VTP messages.
VTP Pruning

VTP pruning status can be:

  • enabled - the device only receives broadcast frames for VLANs to which it has no ports assigned.
  • disabled - so the device receives all broadcast frames and forwards them through all its trunk ports.
STP Anomalies lists the STP anomalies recorded for this date.
VTP Anomalies lists the VTP anomalies recorded for this date.
VLAN VLAN name
Change Count number of Root Switch changes. This is a running total.
Max Age length of time, in seconds, that the switch stores a BPDU before discarding it.
Hello Time time interval, in seconds, between the sending of Configuration BPDUs.
Forward Delay time, in seconds, the switch spends in the Listening and Learning states.
Hold Time time interval, in seconds, between the sending of Configuration BPDUs.
Root Switch > Port

the switch acting as the centre of the VLAN. Other switches use this as the centre of the network when calculating a set of root and designated ports during the initial convergence, to create a loop free network.

The second value is the device's designated root port. For the root switch, this is set to NULL as the root switch does not have a designated root port.
Cost the cumulative root path cost, the lower the value, the closer the devices are.

STP Connectivity details:

Name Description
Cost cumulative root path cost. The lower the value, the value the closer the devices are.
Port port address connected to another device.
State local device's port's STP state, i.e. Blocking, Forwarding, Designated Port, Root Port and Non-Designated Port.
Connected to address of the host and port.
State local device's port's STP state, i.e. Blocking, Forwarding, Designated Port, Root Port and Non-Designated Port.

 

To run a Spanning Tree Device Config report:

spanning_tree_device_config_1.jpg

  1. In the Main Menu, click Reports.
  2. This will open the Reports page. Click Inventory Reports.
  3. This will open the Inventory Reports page. Click Spanning Tree Device Config.
  4. This will open the Spanning Tree Device Config Options page.
  5. If you want to reuse previously saved report values, select it in the Use saved values dropdown field.
  6. Specify the format of the report in the Report format field.
  7. Specify the View containing the device against which the report is to be run in the Please select a View dropdown field. From ENA v18.0 P06 upwards, you can drag Views into this field from the Drop Box.
  8. Specify the device against which the report is to be run in the Please select a device dropdown field.
  9. Specify the start date for the report in the Please select a start date dropdown field.
  10. ENA v17.0 P08 upwards: Specify the time zone to which you want the reporting period to apply. By default, this is set to None, which means that the time zone of the host/consolidation server is used.
  11. Click Save to save your report values, Run to run immediately, or click Cancel.

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