Hub/Switch Reference Guide

404 STP Commands
NN47250-100 (Version 02.51)
Usage If you plan to use the backbone fast convergence feature, you must enable it on all the bridges in the
spanning tree.
Examples The following command enables backbone fast convergence:
WSS# set spantree backbonefast enable
success: change accepted.
See Also show spantree backbonefast on page 403
set spantree fwddelay
Changes the period of time after a topology change that a WSS which is not the root bridge waits to begin forwarding
Layer 2 traffic on one or all of its configured VLANs. (The root bridge always forwards traffic.)
Syntax set spantree fwddelay delay {all | vlan vlan-id}
Defaults The default forwarding delay is 15 seconds.
Access Enabled.
Examples The following command changes the forwarding delay on VLAN pink to 20 seconds:
WSS# set spantree fwddelay 20 vlan pink
success: change accepted.
See Also show spantree on page 400
set spantree hello
Changes the interval between STP hello messages sent by a WSS when operating as the root bridge, on one or all of its
configured VLANs.
Syntax set spantree hello interval {all | vlan vlan-id}
Defaults The default hello timer interval is 2 seconds.
Access Enabled.
delay Delay value. You can specify from 4 through 30 seconds.
all Changes the forwarding delay on all VLANs.
vlan vlan-id
VLAN name or number. WSS Software changes the forwarding delay on
only the specified VLAN.
interval Interval value. You can specify from 1 through 10 seconds.
all Changes the interval on all VLANs.
vlan
vlan-id
VLAN name or number. WSS Software changes the interval on only the
specified VLAN.