H3C Technologies H3C S7500E Series Switches - Manual (Page 195)

13-43
To do… Use the command… Remarks
Enable No Agreement
Check on the port
stp no-agreement-check
Required
Disabled by default
Enable root guard on the
port
stp root-protection
Required
Disabled by default
Enable loop guard on the
port
stp loop-protection
Required
Disabled by default
MSTP configuration commands in ONU port view are the same as those in Ethernet port view, and
thus are not otherwise described.
Displaying and Maintaining MSTP
To do... Use the command... Remarks
View information about abnormally
blocked ports
display stp abnormal-port Available in any view
View information about ports blocked by
STP protection functions
display stp down-port Available in any view
View the historical information of port role
calculation for the specified MSTI or all
MSTIs (on a distributed device)
display stp [ instance instance-id ]
history [ slot slot-number ]
Available in any view
View the historical information of port role
calculation for the specified MSTI or all
MSTIs (on a distributed IRF member
device)
display stp [ instance instance-id ]
history [ chassis chassis-number
slot slot-number ] [ | { begin | exclude
| include } regular-expression ]
Available in any view
View the statistics of TC/TCN BPDUs
sent and received by all ports in the
specified MSTI or all MSTIs (on a
distributed device)
display stp [ instance instance-id ] tc
[ slot slot-number ]
Available in any view
View the statistics of TC/TCN BPDUs
sent and received by all ports in the
specified MSTI or all MSTIs (on a
distributed IRF member device)
display stp [ instance instance-id ] tc
[ chassis chassis-number slot
slot-number ] [ | { begin | exclude |
include } regular-expression ]
Available in any view