Dell Networking 2048, Reference Manual

Page: 767 / 1823

Spanning Tree Commands
767
Command Modes
Global Configuration Mode
User Guidelines
Set this value to a lower number to accelerate the transition to forwarding.
The network operator should take into account the end to end BPDU
propagation delay, the maximum frame lifetime, the maximum transmission
halt delay and the message age overestimate values specific to their network
when configuring this parameter.
Example
console(config)#spanning-tree vlan 3 forward-time 12
spanning-tree vlan hello-time
Use the spanning-tree vlan hello-time command to configure the spanning
tree hello time for a specified VLAN or a range of VLANs.
Syntax
spanning-tree vlan
vlan-list
hello-time
1-10
no spanning-tree vlan
vlan-list
hello-time
• Hello-time–The interval between sending successive BDPUs. Default: 2
seconds.
Default Configuration
The default hello time is 2 seconds.
Command Modes
Global Configuration Mode
User Guidelines
This command can be configured even if the switch is configured for
MST(RSTP) mode. It is only used when the switch is configured for PVST or
RPVST modes.
Set this value to a lower number to accelerate discovery of topology changes.
2CSNXXX_SWUM200.book Page 767 Tuesday, December 10, 2013 1:22 PM