HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP Co - Page 683
debug spanning-tree switch
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Appendix B Cisco Catalyst Blade Switch 3020 for HP Debug Commands debug spanning-tree switch 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. debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors | interrupt | process} | state | tx [decode] | uplinkfast} no debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors | interrupt | process} | state | tx [decode] | uplinkfast} Syntax Description all errors flush general helper pm rx state tx [decode] uplinkfast 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. Display uplinkfast packet transmission debug messages. Defaults Debugging is disabled. Command Modes Privileged EXEC Command History Release 12.2(25)SEF Modification This command was introduced. Usage Guidelines The undebug spanning-tree switch command is the same as the no debug spanning-tree switch command. OL-8916-01 Cisco Catalyst Blade Switch 3020 for HP Command Reference B-67