Configuring Optional Stp Features - Dell Networking 7048 Configuration Manual

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Configuring Optional STP Features

Beginning in Privileged EXEC mode, use the following commands to
configure the optional STP features on the switch or on specific interfaces.
Command
configure
spanning-tree bpdu
flooding
spanning-tree portfast
spanning-tree portfast
bpdufilter default
spanning-tree loopguard
default
spanning-tree bpdu-
protection
interface
interface
spanning-tree auto-
portfast
spanning-tree guard
{root | loop | none}
Purpose
View information about spanning tree and the spanning
tree configuration on the switch.
Purpose
Enter global configuration mode.
Allow the flooding of BPDUs received on non-spanning-
tree ports to all other non-spanning-tree ports.
Enable PortFast on all switch ports.
Prevent ports configured in PortFast mode from sending
BPDUs.
Enable loop guard on all ports.
Enable BPDU protection on the switch.
Enter interface configuration mode for the specified
interface
interface. The
and number, for example gigabitethernet 1/0/3 or port-
channel 4.
You can also specify a range of interfaces with the interface
range command, for example, interface range
gigabitethernet 1/0/8-12 configures interfaces 8, 9, 10, 11,
and 12. The range keyword is also valid for LAGs (port
channels).
Set the port to auto portfast mode. This enables the port
to become a portfast port if it does not see any BPDUs for
3 seconds.
Enable loop guard or root guard (or disable both) on the
interface.
Configuring the Spanning Tree Protocol
variable includes the interface type
651