Dell Force10 S55T FTOS Command Line Reference Guide for the S55 System FTOS 8. - Page 666

www.dell.com | support.dell.com debug spanning-tree mstp c e s Enable debugging of Multiple Spanning Tree Protocol and view information on the protocol. Syntax debug spanning-tree mstp [all | bpdu interface {in | out} | events] Parameters To disable debugging, enter no debug spanning-tree mstp. all bpdu interface {in | out} events (OPTIONAL) Enter the keyword all to debug all spanning tree operations. (OPTIONAL) Enter the keyword bpdu to debug Bridge Protocol Data Units. (OPTIONAL) Enter the interface keyword along with the type slot/port of the interface you want displayed. Type slot/port options are the following: • For a Fast Ethernet interface, enter the keyword FastEthernet followed by the slot/port information. • For a 1-Gigabit Ethernet interface, enter the keyword GigabitEthernet followed by the slot/port information. • For Port Channel groups, enter the keyword port-channel followed by a number: C-Series and S-Series Range: 1-128 E-Series Range: 1-255 for TeraScale • For a SONET interface, enter the keyword sonet followed by the slot/port information. • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet followed by the slot/port information. Optionally, enter an in or out parameter in conjunction with the optional interface: •For Receive, enter in •For Transmit, enter out (OPTIONAL) Enter the keyword events to debug MSTP events. Command Modes Command History EXEC Privilege Version 8.3.5.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.2.1.1 Introduced on the S55. Added support for S-Series Added support for C-Series Introduced on E-Series Example Figure 23-1. debug spanning-tree mstp bpdu Command Example Force10#debug spanning-tree mstp bpdu gigabitethernet 2/0 ? in Receive (in) out Transmit (out) description c e s Enter a description of the Multiple Spanning Tree Syntax description {description} To remove the description, use the no description {description} command. 666 | Multiple Spanning Tree Protocol (MSTP)