Switch Configuration Guide
Spanning Tree Configuration Command Set
Configuring Spanning Tree Loop Protect Features
6-124 Matrix NSA Series Configuration Guide
6.2.3.4 show spantree lplock
Use this command to display the Loop Protect lock status per port and/or per SID. A port can
become locked if a configured number of Loop Protect events occur during the configured window
of time. See the set spantree lpthreshold and set spantree lpwindow commands. Once a port is
forced into blocking (locked), it remains locked until manually unlocked with the clear spantree
lplock command.
show spantree lplock [port port-string] [sid sid]
Syntax Description
Command Defaults
If no port-string is specified, status is displayed for all ports.
If no SID is specified, SID 0 is assumed.
Command Type
Switch command.
Command Mode
Read-Only.
Example
This example shows how to display Loop Protect lock status on ge.1.1:
port-string (Optional) Specifies port(s) for which to display the Loop
Protect lock status. 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 Loop Protect lock status. Valid values
are 0 - 4094. If not specified, SID 0 is assumed.
Matrix(rw)->show spantree lplock port ge.1.1
LoopProtect Lock status for port ge.1.1 , SID 0 is UNLOCKED.