
PROFILES 7 - 69
7.1.21.12 spanning-tree
Interface Config Instance
Configures spanning tree parameters
Supported in the following platforms:
• RFS7000
• RFS6000
• RFS4000
• AP71xx
• AP650
Syntax
spanning-tree [bpdufilter|bpduguard|edgeport|force-version <0-3>|
guard root|link-type|mst|port-cisco-interoperability |portfast]
spanning-tree [bpdufilter|bpduguard] [disable|enable]
spanning-tree link-type [point-to-point|shared]
spanning-tree mst <0-15> [cost <1-200000000>|port-priority <0-240>]
spanning-tree port-cisco-interoperability [disable|enable]
Parameters
bpdufilter [disable|enable] Use this command to set a portfast BPDU filter for the port. Use the no
parameter with this command to revert the port BPDU filter to its default.
The spanning tree protocol sends BPDUs from all ports. Enabling the BPDU
filter ensures PortFast enabled ports do not transmit or receive BPDUs.
bpduguard [disable|enable] Use this command to enable or disable the BPDU guard feature on a port.
Use the no parameter with this command to set the BPDU guard feature
to its default values.
When the BPDU guard is set for a bridge, all portfast-enabled ports that
have the BPDU-guard set to default shut down the port upon receiving a
BPDU. If this occurs, the BPDU is not processed. The port can be brought
back either manually (using the no shutdown command), or by
configuring the errdisable-timeout to enable the port after the specified
interval.
edgeport Enables an interface as an edge port
force-version <0-3> Specifies the spanning-tree force version. A version identifier of less than
2 enforces the spanning tree protocol. Select from the following versions:
•0 – STP
• 1 – Not supported
•2 – RSTP
•3 – MSTP
The default value for forcing the version is MSTP
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