Dell Networking S6000 System, Reference Manual, Page: 939 / 1510

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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 S6000 platform.
debug spanning-tree mstp
Enable debugging of the multiple spanning tree protocol and view information on the protocol.
S6000
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
.
events (OPTIONAL) Enter the keyword
events
to debug MSTP
events.
Multiple Spanning Tree Protocol (MSTP)
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