Displays the reasons for placing a port in a non-forwarding state.
stpd_name | Specifies an STPD (Spanning Tree Domain) name on the switch. |
port_list | Specifies one or more ports or slots and ports. |
non-forwarding-reasons | Displays only reasons for placing a port in a non-forwarding state. |
N/A
The following example displays the non-forwarding reasons on port 1:10 in STP (Spanning Tree Protocol) domain r1:
show stpd r1 ports 1:10 non-forwarding-reason Port Reason ---------------------------------------------------------------------------------------- 1:1 Placed in listening state because it is in dispute. 1:2 Not been placed in a non-forwarding state due to any exceptional condition. 1:3 Placed in listening or blocking state by the Loop Protect feature. 1:4 Placed in listening state by the Loop Protect feature, but this condition may be normal because the link partner does not support Loop Protect. 1:5 Placed in blocking state because a loopback condition has been detected. 1:6 Unknown non-forwarding reason.
This command was first available in ExtremeXOS 15.7.1.