Bridge Cist Slot/Port Restricted-Role - Alcatel-Lucent OmniSwitch 6250 Cli Reference Manual

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Distributed Spanning Tree Commands

bridge cist slot/port restricted-role

Configures whether or not to prevent a port (or an aggregate of ports) from becoming the root port. When

this parameter is enabled, the port will not become the root even if the port is the most likely candidate for

the root. Once another port is selected as the root port, the restricted port becomes the Alternate Port.

bridge cist {slot/port | logical_port} {restricted-role | root-guard} {on | off | enable | disable}

Syntax Definitions

logical_port

By default, the port is not restricted from becoming the root port.

Platforms Supported

OmniSwitch 6250

Usage Guidelines

When running in flat mode, this is a per-port setting and is applicable to any CIST or MSTI instances

configured on that port.

Note that preventing an eligible root port from becoming the root may impact connectivity within the

Network administrators exclude certain ports from becoming the root to prevent bridges external to the

core region of the network from influencing the Spanning Tree topology.

Note that when a configuration snapshot is taken of the switch, all Spanning Tree commands are saved

in their explicit format.

OmniSwitch 6250 CLI Reference Guide

Enter the slot number for the module and the physical port number on

that module (e.g., 3/1 specifies port 1 on slot 3).

Link aggregate ID number (0–31).

Optional command syntax. Enter root-guard instead of restricted-role;

both parameters specify the same functionality for this command.

Turns on (enables) the restricted role status for the specified port.

Turns off (disables) the restricted role status for the specified port.

Enables the restricted role status for the specified port.

Disables the restricted role status for the specified port.

November 2009