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bpdu-block-on-edge

Syntax

Hierarchy Level

Description

Configure bridge protocol data unit (BPDU) protection on all edge ports of a switch. When the bpdu-block-on-edge statement is configured and the interface encounters an incompatible BPDU, the interface shuts down.

If the disable-timeout statement is included in the BPDU configuration, the interface is automatically reenabled after the timer expires. Otherwise, you must use the operational mode command clear ethernet-switching bpdu-error interface to unblock and reenable the interface.

Default

Not enabled.

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 9.1.

Statement updated in Junos OS Release 9.4 for EX Series switches to add VSTP support. Statement updated in Junos OS Release 11.1 for EX Series switches to change blocking behavior to port shutdown.

Support for logical systems added in Junos OS Release 9.6.