Digital Data Communications Level One GTL-2091 Manuale - Pagina 8

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Default

Disabled

Instruction

Root Guard characteristic can prevent a port from becoming Root port due to receving

high priority BPDU.

Loop Guard characteristic can protect a Root Port or a Alternate Port when it becomes

the Designated Port. This function can prevent a port from occuring the loop when it

cannot continuously receive BPDU.

Command mode

Interface configuration

Example

This example shows how to enable root guard:

Console_config_f0/0# spanning-tree guard root

Console_config_f0/0#

1.1.7

spanning-tree loopguard

Description

To enable loop guard as a default on all ports of a given bridge, use the spanning-tree

loopguard default command in global configuration mode. To disable loop guard, use

the negative form of this command.

spanning-tree loopguard default

Parameter

None

Default

None

Instruction

None

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STP Optional Characteristic Configuration Commands

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