Displaying And Maintaining Mstp - H3C S5100-SI Series Operation Manual

Operation Manual – MSTP
H3C S5100-SI/EI Series Ethernet Switches
The stp instance instance-id dot1d-trap enable command enables both newroot and
topology-change trap functions for the specified spanning tree instance at the same
time.
I. Configuration procedure
Follow these steps to enable trap messages conforming to 802.1d standard:
Enter system view
Enable trap messages
conforming to 802.1d
standard in an instance
II. Configuration example
# Enable a switch to send trap messages conforming to 802.1d standard to the network
management device when the switch becomes the root bridge of instance 1.
<Sysname> system-view
[Sysname] stp instance 1 dot1d-trap newroot enable

1.12 Displaying and Maintaining MSTP

Display the state and statistics
information about spanning
trees of the current device
Display region configuration
Display information about the
ports that are shut down by
STP protection
Display information about the
ports that are blocked by STP
protection
Display information about the
root port of the instance where
the switch reside
Clear statistics about MSTP
To do...
system-view
stp [ instance instance-id ]
dot1d-trap [ newroot |
topologychange ] enable
To do...
Use the command...
Use the command...
display stp [ instance
instance-id ] [ interface
interface-list | slot slot-number ]
[ brief ]
display stp
region-configuration
display stp portdown
display stp abnormalport
display stp root
reset stp [ interface
interface-list ]
1-55
Chapter 1 MSTP Configuration
Remarks
—
Required
Remarks
Available in
any view
Available in
user view