Dell Force10 S2410-01-10GE-24P Command Reference Manual page 311

Bridge Hold Time—Minimum time between transmission of Configuration Bridge Protocol Data Units
(BPDUs)
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.
Figure 19-112. Example of Output from show spanning-tree brief Command
Example 2
Force10#show show spanning-tree brief
Bridge Priority................................ 32768
Bridge Identifier.............................. 80:00:00:01:E8:D5:A2:19
Bridge Max Age................................. 20
Bridge Max Hops................................ 20
Bridge Hello Time.............................. 2
Bridge Forward Delay........................... 15
Bridge Hold Time............................... 3
When the brief optional keyword 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.
Report Fields
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 Forward Delay—Specifies the time spent in "Listening and Learning" mode before forwarding
packets. Bridge Forward 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).
Related
spanning-tree hello-time
Commands
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.
show spanning-tree interface unit/slot/port
Syntax
Mode Privileged Exec and User Exec
Port mode—Enabled or disabled.
Report Fields
Sets the Admin Hello Time for the selected port in the common and internal
spanning tree.
Spanning Tree (STP) Commands | 311