View the current spanning tree bridge configuration for a VLAN.
You must configure a VLAN interface to view or change the spanning tree bridge configuration. Use the vRouter Vlan vlan list command to add the VLAN interface.
exec
show vSwitch-name vRouter-name vlan spanningTree
| Heading | Description | Filter |
|---|---|---|
| Vlan Name | Specifies the unique name for the VLAN. VLAN names must be unique across the entire switch (you cannot use the same name within different vRouters on the system). | vlanName text |
| Admin State | Specifies whether the VLAN uses the Spanning Tree Protocol. Valid values:
|
adminState enumeration |
| Priority | Sets the priority for this bridge. The spanning tree protocol uses this value to select the root bridge in the VLAN. The lower the priority value, the higher the priority assigned to the bridge. Valid values are from 0 to 65535. |
priority integer |
| Time Since Topology Change | The time, in hundredths of a second, since the spanning tree network topology changed. | timeSinceTopologyChange timeTicks |
| Topology Changes | The number of topology changes that have occurred. | topChanges counter32 |
| Designated Root | The root bridge identifier (ID), consisting of a two-byte priority and a 6-byte MAC address. | designatedRoot physAddress |
| Root Cost | The cost of the path to the root bridge for this switch. If this bridge is the root bridge, the cost is 0. | rootCost integer |
| Root Port | The port that this switch uses to reach the root bridge. This port has the lowest cost path between the switch and the root bridge. | rootPort IfName |
| Max Age | The maximum amount of time, in seconds, that the switch waits without receiving a configuration BPDU before it reconfigures the spanning tree topology. If this switch is the root bridge, all switches in the network use this value. | maxAge integer |
| Hello Time | The Hello Time is the time interval, in seconds, between a root bridge transmission of a configuration bridge protocol data unit (BPDU) to other devices. If this switch is the root bridge, all switches in the network use this value. | helloTime integer |
| Hold Time | The amount of time between bridge transmissions of configuration BPDUs to other devices on the network. | holdTime integer |
| Forward Delay | The Forward Delay is the time, in seconds, that a port spends in the listening and learning states before it changes to a forwarding state. If this switch is the root bridge, all switches in the network use this value. | forwardDelay integer |
| Bridge Max Age | Sets the maximum amount of time, in seconds, that a bridge waits without receiving a configuration bridge protocol data unit before it reconfigures the STP network. The value for this argument should be greater than or equal to 2 x (Hello Time + 1) and less than or equal to 2 x (Forward Delay -1). If this switch is the root bridge, all other switches in the network use this value. Valid values are from 6 to 40. |
bridgeMaxAge integer |
| Bridge Hello Time | Sets the time, in seconds, that the root bridge waits to transmit a configuration bridge protocol data unit (BPDU) to other devices. If this switch is the root bridge, all other switches in the network use this value. Valid values are from 1 to 10. |
bridgeHelloTime integer |
| Bridge Forward Delay | Sets the time, in seconds, that a port spends in the listening and learning states before it changes to a forwarding state. If this switch is the root bridge, all other switches in the network use this value. Valid values are from 4 to 30. |
bridgeForwardDelay integer |
You can do the following