Cisco IE-4000 Software Configuration Manual page 367

Configuring Optional Spanning-Tree Features
Maintaining and Monitoring Optional Spanning-Tree Features
Command
5. spanning-tree portfast bpdufilter default
6. spanning-tree uplinkfast [max-update-rate
pkts-per-second]
7. spanning-tree backbonefast
8. spanning-tree etherchannel guard misconfig
9. interface interface-id
10. spanning-tree portfast [trunk]
11. spanning-tree guard root
12. end
Maintaining and Monitoring Optional Spanning-Tree Features
Command
show spanning-tree active
show spanning-tree detail
show spanning-tree interface interface-id
show spanning-tree mst interface interface-id
show spanning-tree summary [totals]
show interfaces status err-disabled
show etherchannel summary
[no] shutdown
Purpose
Enables BPDU filtering.
By default, BPDU filtering is disabled.
Enables UplinkFast.
(Optional) pkts-per-second—The range is 0 to 32000 packets
per second; the default is 150.
If you set the rate to 0, station-learning frames are not
generated, and the spanning-tree topology converges more
slowly after a loss of connectivity.
Enables BackboneFast.
Enables EtherChannel guard.
Specifies an interface to configure, and enters interface
configuration mode.
Enables PortFast on an access port connected to a single
workstation or server. By specifying the trunk keyword, you can
enable PortFast on a trunk port.
Note: To enable PortFast on trunk ports, you must use the
spanning-tree portfast trunk interface configuration command.
The spanning-tree portfast command will not work on trunk
ports.
By default, PortFast is disabled on all interfaces.
Enables root guard on the interface.
By default, root guard is disabled on all interfaces.
Returns to privileged EXEC mode.
Purpose
Displays spanning-tree information on active interfaces only.
Displays a detailed summary of interface information.
Displays spanning-tree information for the specified interface.
Displays MST information for the specified interface.
Displays a summary of interface states or displays the total
lines of the spanning-tree state section.
Displays which switch ports are disabled because of an
EtherChannel misconfiguration.
Displays the EtherChannel configuration. Useful to use on the
remote device after switch ports are disabled.
Disables the interface. The no option reenables the interface.
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