Show Spantree Nonforwardingreason - Enterasys Matrix DFE-Gold Series Configuration Manual

show spantree nonforwardingreason

Parameters
None.
Defaults
None.
Mode
Switch command, Read‐Write.
Example
This example shows how to reset the disputed BPDU threshold to the default of 0:
Matrix(rw)->clear spantree disputedbpduthreshold
show spantree nonforwardingreason
Use this command to display the reason for placing a port in a non‐forwarding state due to an
exceptional condition.
Syntax
show spantree nonforwardingreason [port port-string] [sid sid]
Parameters
port‐string
sid sid
Defaults
If no port‐string is specified, non‐forwarding reason is displayed for all ports.
If no SID is specified, SID 0 is assumed.
Mode
Switch command, 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:
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.
(Optional) Specifies port(s) for which to display the non‐forwarding
reason. For a detailed description of possible port‐string values, refer to
"Port String Syntax Used in the CLI" on page 4‐2.
(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.
Enterasys Matrix DFE-Gold Series Configuration Guide 6-77
Configuring Spanning Tree Loop Protect Features