Dell Force10 MXL Blade, Reference Manual

Page: 372 / 732

372 | Multiple Spanning Tree Protocol (MSTP)
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debug spanning-tree mstp
Enable debugging of the multiple spanning tree protocol and view information on the protocol.
Syntax
debug spanning-tree mstp [all | bpdu interface { in | out } | events]
To disable debugging, use the no debug spanning-tree mstp command.
Parameters
Command Modes EXEC Privilege
Command
History
Example Figure 20-1. debug spanning-tree mstp bpdu Command Example
description
Enter a description of the multiple spanning tree protocol.
Syntax description { description }
To remove the description, use the no description { description } command.
Parameters
Defaults none
Command Modes SPANNING TREE (The prompt is “config-mstp”.)
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.
(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 keyword
port-channel
followed by a
number:
Range: 1 to 128
• 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
events
(OPTIONAL) Enter the keyword
events
to debug MSTP events.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
FTOS#debug spanning-tree mstp bpdu tengigabitethernet 0/16 ?
in Receive (in)
out Transmit (out)
FTOS#
description Enter a description to identify the Multiple Spanning Tree (80 characters maximum).