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Spanning Tree Configuration Command Set
Configuring Spanning Tree Loop Protect Features
Matrix DFE-Platinum and Diamond Series Configuration Guide
6-143
6.2.3.21
show spantree nonforwardingreason
Use this command to display the reason for placing a port in a non-forwarding state due to an
exceptional condition.
show spantree nonforwardingreason
[
port
port-string
] [
sid
sid
]
Syntax Description
Command Defaults
If no
port-string
is specified, non-forwarding reason is displayed for all ports.
If no SID is specified, SID 0 is assumed.
Command Type
Switch command.
Command Mode
Read-Only.
Usage
Exceptional conditions causing a port to be placed in listening or blocking state
include a Loop Protect event, receipt of disputed BPDUs, and loopback detection.
Example
This example shows how to display the non-forwarding reason on ge.1.1:
port-string
(Optional) Specifies port(s) for which to display the
non-forwarding reason. For a detailed description of
possible
port-string
values, refer to
Section 4.1.1
.
sid sid
(Optional) Specifies the specific Spanning Tree(s) for
which to display the non-forwarding reason. Valid values
are
0
-
4094
. If not specified, SID 0 is assumed.
Matrix(rw)->
show spantree nonforwardingreason port ge.1.1
Port ge.1.1 has not been placed in a non-forwarding state on SID 0
due to any exceptional condition.
Содержание Matrix 2G4072-52
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