Digital Data Communications Level One GTL-2091 Manuale - Pagina 5

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Command mode

Interface configuration

Example

This example shows how to enable BPDU guard on this interface:

Console_config_f0/0# spanning-tree bpduguard enable

Console_config_f0/0#

1.1.3

spanning-tree bpdufilter

Description

To enable bridge protocol data unit (BPDU) filtering on the interface, use the

spanning-tree bpdufilter command in interface configuration mode. To return to the

default settings, use the negative form of this command.

spanning-tree bpdufilter {disable | enable}

no spanning-tree bpdufilter

Parameter

None

Default

Disabled

Instruction

In SSTP/PVST mode, if a port that configured BPDU Filter and Port Fast receives

BPDU, the BPDU Filter and Port Fast characteristics on that port will be disabled

automatically to restore the port to an ordinary port. Then this port must endure the

wait from Listening to Learning before entering Forwarding state.

This feature is invalid in RSTP/MSTP mode.

Command mode

Interface configuration

Example

This example shows how to enable BPDU filtering on this interface:

Console_config_f0/0# spanning-tree bpdufilter enable

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STP Optional Characteristic Configuration Commands

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