No-Root-Port - Juniper EX9200 Features Manual

no-root-port

Syntax
Hierarchy Level
Release Information
Description
Required Privilege
Level
Related
Documentation
Copyright © 2017, Juniper Networks, Inc.
no-root-port;
[edit logical-systems logical-system-name protocols (mstp | rstp | vstp) interface
interface-name],
[edit logical-systems logical-system-name protocols vstp vlan vlan-id interface
interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
(mstp | rstp | vstp) interface interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols
vstp vlan vlan-id interface interface-name],
[edit protocols (mstp | rstp | vstp) interface interface-name],
[edit protocols vstp vlan vlan-id interface interface-name],
[edit routing-instances routing-instance-name protocols (mstp | rstp | vstp) interface
interface-name],
[edit routing-instances routing-instance-name protocols vstp vlan vlan-id interface
interface-name]
Statement introduced in Junos OS Release 9.1.
Statement introduced in Junos OS Release 13.2X50-D10 for EX Series switches.
Support for logical systems added in Junos OS Release 9.6.
Statement introduced in Junos OS Release 17.1 for ACX Series routers.
Ensure the port is the spanning-tree designated port. If the port receives superior bridge
protocol data unit (BPDU) packets, root protect moves this port to a root-prevented
spanning-tree state.
routing—To view this statement in the configuration.
routing-control—To add this statement to the configuration.
Understanding Root Protection for Spanning-Tree Instance Interfaces in a Layer 2 Switched
Network
Enabling Root Protection for a Spanning-Tree Instance Interface
Chapter 5: Configuration Statements for MSTP
129