Dell Force10 MXL Blade - Debug Spanning-Tree

622 | Spanning Tree Protocol (STP)
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Command
History
debug spanning-tree
Enable debugging of the spanning tree protocol and view information on the protocol.
Syntax
debug spanning-tree {stp-id [all | bpdu | events | exceptions] | protocol}
To disable debugging, use the no debug spanning-tree command.
Parameters
Command Modes
EXEC Privilege
Command
History
Usage
Information
When you enable debug spanning-tree bpdu for multiple interfaces, the software only sends
information on BPDUs for the last interface specified.
Related
Commands
description
Enter a description of the spanning tree.
Syntax
description {description}
To remove the description from the Spanning Tree, use the no description {description} command.
Parameters
Defaults
none
Command Modes
SPANNING TREE (The prompt is “conf-stp”.)
Command
History
Related
Commands
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
stp-id
Enter zero (0). The switch supports one Spanning Tree group with a group ID of 0.
protocol
Enter the keyword for the type of STP to debug, either mstp, pvst, or rstp.
all (OPTIONAL) Enter the keyword all to debug all spanning tree operations.
bpdu (OPTIONAL) Enter the keyword bpdu to debug Bridge Protocol Data Units.
events (OPTIONAL) Enter the keyword events to debug STP events.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
portfast bpdufilter
default
Enters SPANNING TREE mode on the switch.
description
Enter a description to identify the Spanning Tree (80 characters maximum).
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
portfast bpdufilter default Enters SPANNING TREE mode on the switch.