Dell Force10 S4820T FTOS Command Reference Guide - Page 1034

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] To disable debugging, enter no debug spanning-tree mstp. Parameters 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 a Port Channel interface, enter the keyword port-channel followed by a number: C-Series and S-Series Range: 1 to 128 E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for ExaScale. • 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. • For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE 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 EXEC Privilege Command History Version 8.3.19.0 Version 8.5.1.0 Version 8.3.7.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.2.1.1 Introduced on S4820T Added support for 4-port 40G line cards on ExaScale. Introduced on S4810 Added support for S-Series Added support for C-Series Introduced on E-Series Example FTOS#debug spanning-tree mstp bpdu gigabitethernet 2/0 ? in Receive (in) out Transmit (out) 1034 | Multiple Spanning Tree Protocol (MSTP)