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Catalyst 6500 Series Switch Command Reference—Release7.6
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
set spantree hello
set spantree hello
To set the bridge hello time for a VLAN or an instance, use the set spantree hello command.
set spantree hello interval [vlans]
set spantree hello interval mistp-instance instances
set spantree hello interval mst
Syntax Description
Defaults The default is the bridge hello time is set to 2 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 hello time.
If you enable PVST+, you cannot set the instance hello t ime.
If you enter the set spantree hello interval mst command, you set the hello time for the
InternalSpanning Tree (IST) instance and all MST instances. You do not need to set the hello time for
each MST instance.
Examples This example shows how to set the spantree hello time for VLAN 100 to 3 seconds:
Console> (enable) set spantree hello 3 100
Spantree 100 hello time set to 3 seconds.
Console> (enable)
interval Number of seconds the system waits before sending a bridge hello
message (a multicast message indicating that the system is active); valid
values are from 1 to 10 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 hello time for the IST instance and all MST instances. See the
“Usage Guidelines” section for more information.