Debug Spanning-Tree Switch - Cisco ME 3400 Command Reference Manual

Ethernet access switch

Hide thumbs Also See for ME 3400:

Table of Contents

debug spanning-tree switch

Use the debug spanning-tree switch privileged EXEC command to enable debugging of the software

interface between the Spanning Tree Protocol (STP) software module and the port manager software

module. Use the no form of this command to disable debugging.

Syntax Description

Though visible in the command-line help strings, the uplinkfast keyword is not supported.

Debugging is disabled.

Command Modes

Privileged EXEC

Command History

Cisco ME 3400 Ethernet Access Switch Command Reference

debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors |

interrupt | process} | state | tx [decode]}

no debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors |

interrupt | process} | state | tx [decode]}

Display all spanning-tree switch debug messages.

Display debug messages for the interface between the spanning-tree software

module and the port manager software module.

Display debug messages for the shim flush operation.

Display general event debug messages.

Display spanning-tree helper-task debug messages. Helper tasks handle bulk

spanning-tree updates.

Display port-manager event debug messages.

Display received bridge protocol data unit (BPDU) handling debug messages. The

keywords have these meanings:

decode—Display decoded received packets.

errors—Display receive error debug messages.

interrupt—Display interrupt service request (ISR) debug messages.

process—Display process receive BPDU debug messages.

Display spanning-tree port state change debug messages;

Display sent BPDU handling debug messages. The keyword has this meaning:

decode—(Optional) Display decoded sent packets.

Modification

This command was introduced.

Cisco ME 3400 Ethernet Access Switch Debug Commands