Spanning-Tree Portfast - Dell 8 Command Reference Manual

spanning-tree portfast

Enables the Port Fast feature on an interface to allow the interface to quickly transition to
forwarding state.
Synopsis spanning-tree portfast [bpdu-filter | bpdu-guard]
Operands bpdu-filter
bpdu-guard
Defaults Port Fast is disabled.
Command Interface configuration mode
Modes
Description Use this command to enable the Port Fast feature. This command is is the only for the STP. Port
Fast immediately puts the interface into the forwarding state without having to wait for the
standard forward time. Use the spanning-tree edgeport command for MSTP and RSTP.
Usage If you enable portfast bpdu-guard on an interface and the interface receives a BPDU, the software
Guidelines disables the interface and puts the interface in the ERR_DISABLE state.
Examples To enable a port to quickly transition to the forwarding state:
To set the Port Fast BPDU filter for the port:
To guard the port against the reception of BPDUs:
See Also spanning-tree portfast bpdu-guard, spanning-tree autoedge
Dell Converged Enhanced Ethernet Command Reference
53-1002115-01
Sets the Port Fast BPDU filter for the port.
Guards the port against the reception of BPDUs.
switch(conf-if-te-0/1)#spanning-tree portfast
switch(conf-if-te-0/1)#spanning-tree portfast bpdu-filter
switch(conf-if-te-0/1)#spanning-tree portfast bpdu-guard
spanning-tree portfast
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