Display Stp History - H3C IE4300 Command Reference Manual

Table 6 Command output
Field
Down Port
Reason

display stp history

Use
display stp history
Syntax
display stp [ instance instance-list | vlan vlan-id-list ] history [ slot
slot-number ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
instance instance-list
specifies an MSTI or a range of MSTIs in the form of
value for
instance-id2
value range for the
vlan vlan-id-list
specifies a VLAN or a range of VLANs in the form of
vlan-id2
argument is 1 to 4094.
vlan-id
slot slot-number
member device, this command displays information for all member devices.
Usage guidelines
In STP or RSTP mode, the command output is sorted by port role calculation time.
In PVST mode, the command output is sorted by VLAN ID and by port role calculation time in each
VLAN.
•
If you do not specify a VLAN, this command applies to all VLANs.
•
If you specify a VLAN list, this command applies to the specified VLANs.
In MSTP mode, the command output is sorted by MSTI ID and by port role calculation time in each
MSTI.
•
If you do not specify an MSTI, this command applies to all MSTIs.
•
If you specify an MSTI list, this command applies to the specified MSTIs.
Examples
# In MSTP mode, display the port role calculation history on the specified slot in MSTI 2.
<Sysname> display stp instance 2 history slot 1
Description
Name of a port that was shut down by the spanning tree protection features.
Reason that the port was shut down:
•
BPDU protection—Indicates the BPDU guard feature.
•
PVST BPDU protection—Indicates the PVST BPDU guard feature.
to display port role calculation history.
: Specifies a space-separated list of up to 10 MSTI items. Each item
must be equal to or greater than the value for
instance-id
: Specifies a space-separated list of up to 10 VLAN items. Each item
must be equal to or greater than the value for
: Specifies an IRF member device by its member ID. If you do not specify a
instance-id1 [ to instance-id2 ]
argument is 0 to 4094, and the value 0 represents the CIST.
vlan-id1 [ to vlan-id2 ]
14
instance-id1
. The value range for the
vlan-id1
. The
. The
. The value for