DELL 9.8(0.0) User Manual

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Multiple Spanning Tree Protocol (MSTP)
Multiple spanning tree protocol (MSTP), as implemented by the Dell Networking operating system, 
conforms to IEEE 802.1s.
This command supports the Dell Networking S4820T platform.
 
debug spanning-tree mstp
Enable debugging of the multiple spanning tree protocol and view information on the protocol.
S4820T
Syntax
debug spanning-tree mstp [all | bpdu interface {in | out} | 
events]
To disable debugging, enter no debug spanning-tree mstp
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 port channel interface, enter the keywords port-
channel then a number. The range is from 1 to 128.
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet then the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE then the slot/port information.
Optionally, enter an in or out parameter with the optional 
interface:
• For Receive, enter the keyword in.
• For Transmit, enter the keyword out.
Multiple Spanning Tree Protocol (MSTP)
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