Dell Force10 Z9000 - 30 Multiple Spanning Tree Protocol (MSTP); Debug Spanning-Tree Mstp

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Multiple Spanning Tree Protocol (MSTP)
Multiple spanning tree protocol (MSTP), as implemented by FTOS, conforms to IEEE 802.1s.
This command supports the Dell Force10 E-Series, C-Series, S-Series, Z-Series, and S4810 platforms.
debug spanning-tree mstp
Enable debugging of the multiple spanning tree protocol and view information on the protocol.
C-Series, E-Series, S-Series, Z-Series, S4810
Syntax
debug spanning-tree mstp [all | bpdu interface {in | out} |
events]
Parameters
all (OPTIONAL) Enter the keyword all to debug all spanning tree
operations.
bpdu
interface {in |
out}
(OPTIONAL) Enter the keyword bpdu to debug bridge protocol data
units (BPDU).
(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 keywords port-
channel
followed by a number. For the C-Series and S-
Series, the range is 1 to 128. For the E-Series, the range is 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 the keyword in.
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