Hub/Switch Reference Guide

410 STP Commands
NN47250-100 (Version 02.51)
Defaults Disabled.
Access Enabled.
Usage The uplink fast convergence feature is applicable to bridges that are acting as access switches to the
network core (distribution layer) but are not in the core themselves. Do not enable the feature on WSSs that are
in the network core.
Examples The following command enables uplink fast convergence:
WSS# set spantree uplinkfast enable
success: change accepted.
See Also show spantree uplinkfast on page 412
show spantree
Displays STP configuration and port-state information.
Syntax show spantree [port port-list | vlan vlan-id] [active]
Defaults None.
Access All.
History
Examples
The following command displays STP information for VLAN default:
WSS# show spantree vlan default
VLAN 1
Spanning Tree Mode PVST+
Spanning Tree Type IEEE
Spanning Tree Enabled
Designated Root 00-02-4a-70-49-f7
Designated Root Priority 32768
Designated Root Path Cost 19
Designated Root Port 1
Root Max Age 20 sec Hello Time 2 sec Forward Delay 15 sec
Bridge ID MAC ADDR 00-0b-0e-02-76-f7
Bridge ID Priority 32768
port port-list List of ports. If you do not specify any ports, WSS Software displays STP
information for all ports.
vlan
vlan-id
VLAN name or number. If you do not specify a VLAN, WSS Software
displays STP information for all VLANs.
active Displays information for only the active (forwarding) ports.
Version 4.1 Value STP Off added for STP-State and Port-State fields. This
state indicates that STP is disabled on the port. The Disabled
state is still used, but only to indicate that the port is not
forwarding traffic.