2-568
Catalyst 6500 Series Switch Command Reference—Release7.6
78-15328-01
Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
set spantree fwddelay
set spantree fwddelay
To set the bridge forward delay for a VLAN or an instance, use the set spantree fwddelay command.
set spantree fwddelay delay [vlans]
set spantree fwddelay delay mistp-instance [instances]
set spantree fwddelay delay mst
Syntax Description
Defaults The default is the bridge forward delay is set to 15 seconds for all VLANs.
Command Types Switch command.
Command Modes Privileged.
Usage Guidelines If you do not specify a VLAN number or an instance number, 1 is assumed.
This command is not supported by the NAM.
If you enable MISTP, you cannot set the VLAN bridge forward delay.
If you enable PVST+, you cannot set the instance bridge forwar d delay.
If you enter the set spantree fwddelay delay mst command, you set the forward delay time for the IST
instance and all MST instances. You do not need to set the forward delay time for each MST instance.
Examples This example shows how to set the bridge forward delay for VLA N 1 00 to 1 6 s ec onds:
Console> (enable) set spantree fwddelay 16 100
Spantree 100 forward delay set to 16 seconds.
Console> (enable)
This example shows how to set the bridge forward delay for an instance to 16 secon ds:
Console> (enable) set spantree fwddelay 16 mistp-instance 1
Instance 1 forward delay set to 16 seconds.
Console> (enable)
delay Number of seconds for the bridge forward delay; valid values are
from 4 to 30 seconds.
vlans (Optional) Number of the VLAN; valid values are from 1 to 1005
and from 1025 to 4094.
mistp-instance
instances Specifies the instance number; valid values are from 1 to 16.
mst Sets the forward delay time for the IST instance and all MST
instances; see the “Usage Guidelines” section for more information.