forward-delaysecondsEnter the keywords forward-delay followed by the time interval,in seconds, that FTOS waits before transitioning PVST+ to theforwarding state. The range is 4 to 30 seconds. The default is 15seconds.Defaults 15 secondsCommand Modes CONFIGURATION (conf-pvst)Command History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.Version 7.6.1.0 Introduced on the S-Series.Version 7.5.1.0 Introduced on the C-Series.Version 6.2.1.1 Introduced.RelatedCommandsvlan bridge-priority – sets the bridge-priority value.vlan hello-time – changes the time interval between BPDUs.vlan max-age – changes the time interval before PVST+ refreshes.show spanning-tree pvst – displays the PVST+ configuration.vlan hello-timeSet the time interval between generation of PVST+ 7 BPDUs.C-Series, E-Series, S-Series, Z-Series, S4810Syntax vlan vlan-range hello-time secondsTo return to the default value, use the no vlan hello-time command.Parameters vlanvlan-range Enter the keyword vlan followed by the VLAN number(s). The rangeis 1 to 4094.hello-timesecondsEnter the keywords hello-time followed by the time interval, inseconds, between transmission of BPDUs. The range is 1 to 10seconds. The default is 2 seconds.Defaults 2 secondsCommand Modes CONFIGURATION (conf-pvst)Command History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.Version 7.6.1.0 Introduced on the S-Series.1178
