D-Link DWS-1008 User Manual page 225

DWS-1008 User's Manual
Displaying the STP Port Cost on a VLAN Basis
To display a brief list of the STP port cost for a port in each of its VLANs, use the following
command:
show spantree portvlancost port-list
This command displays the same information as the show spantree command's Cost field
in a concise format for all VLANs. The show spantree command lists all the STP information
separately for each VLAN.
To display the STP port cost of port 1, type the following command:
DWS-1008# show spantree portvlancost 1
port 1 VLAN 1 have path cost 19
Displaying Blocked STP Ports
To display information about ports that are in the STP blocking state, use the following
command:
show spantree blockedports [vlan vlan-id]
To display information about blocked ports on a DWS-1008 switch for the default VLAN
(VLAN 1), type the following command:
DWS-1008# show spantree blockedports vlan default
Port
------------------------------------------------------------------------
22
Number of blocked ports (segments) in VLAN 1 : 1
Displaying Spanning Tree Statistics
To display STP statistics, use the following command:
show spantree statistics [port-list [vlan vlan-id]]
D-Link Systems, Inc. D-Link Systems, Inc.
Vlan Port-State
190 Blocking
Cost Prio Portfast
4 128 Disabled
Configuring and Managing STP
220 220