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stp

Syntax

stp { disable; bridge-priority priority; forward-delay seconds; hello-time seconds; interface (all | interface-name) { disable; bpdu-timeout-action { block; alarm;} cost cost; edge; mode mode; no-root-port; priority priority;} max-age seconds;traceoptions { file name <replace> <size size> <files number> <no-stamp> <(world-readable | no-world-readable)>;flag flag <flag-modifier> <disable>; }}

Hierarchy Level

[edit protocols]

Release Information

Statement introduced in Junos OS Release 11.1 for the QFX Series.

Description

When you explicitly configure STP, a switch uses the IEEE 802.1D 2004 specification, force version 0. This configuration runs a version of RSTP that is compatible with the classic, basic STP (defined in the IEEE 802.1D 1998 specification).

The remaining statements are explained separately.

Default

STP is disabled; by default, RSTP is enabled on all Ethernet switching ports.

Required Privilege Level

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