Technical Documentation

Download Software
Research a Problem
Case Management
Contract & Product Management
Technical Documentation
End-of-Life Products
Contact Support
Guidelines and Policies
Security Resources

Supported Platforms
MX Series

Related Topics
Spanning-Tree Protocols Supported on MX Series Routers
RSTP or VSTP Forced to Run as IEEE 802.1D STP
Reverting RSTP or VSTP Back From Forced IEEE 802.1D STP

force-version

Syntax

force-version stp;

Hierarchy Level

[edit logical-systems logical-system-name protocols (rstp | vstp)],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols (rstp | vstp)],[edit protocols (rstp | vstp)],[edit routing-instances routing-instance-name protocols (rstp | vstp)]

Release Information

Statement introduced in Junos OS Release 8.4.

Support for logical systems added in Junos OS Release 9.6.

Description

Force the spanning-tree version to be the original IEEE 803.1D STP.

Required Privilege Level

routing—To view this statement in the configuration.

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