Alcatel-Lucent OmniSwitch 6250, Справочное руководство CLI, Страница: 543 / 2018

Distributed Spanning Tree Commands
OmniSwitch 6250 CLI Reference Guide November 2009 page 16-103
bridge 1x1 slot/port restricted-role
Configures whether or not to prevent a port (or an aggregate of ports) for the specified 1x1 mode VLAN
instance 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 1x1 vid {slot/port | logical_port} {restricted-role | root-guard} {on | off | enable | disable}
Syntax Definitions
vid An existing VLAN ID number (1–4094).
slot/port 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).
logical_port Link aggregate ID number (0–31).
root-guard Optional command syntax. Enter root-guard instead of restricted-role ;
both parameters specify the same functionality for this command.
on Turns on (enables) the restricted role status for the specified
port-VLAN instance.
off Turns off (disables) the restricted role status for the specified
port-VLAN instance.
enable Enables the restricted role status for the specified port-VLAN instance.
disable Disables the restricted role status for the specified port-VLAN instance.
Defaults
By default, the port is not restricted from becoming the root port.
Platforms Supported
OmniSwitch 6250
Usage Guidelines
•
Note that preventing an eligible port from becoming the root may impact connectivity within the
network.
•
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.
•
This command is an explicit Spanning Tree command that only applies to the VLAN instance regard-
less of which operating mode (flat or 1x1) is active on the switch.
•
If the switch is running in the flat mode when this command is used, the restricted status of the port is
not active for the VLAN instance until the switch is running in the 1x1 Spanning Tree mode.
•
Note that when a configuration snapshot is taken of the switch, all Spanning Tree commands are saved
in their explicit format.