sub-ring

Configures a bridge as a sub-ring node for Ethernet Ring Protection (ERP) and specifies a parent ring ID.

Syntax

sub-ring parent-ring-id id
no sub-ring parent-ring-id id

Command Default

A bridge is not configured as a sub-ring node by default.

Parameters

parent-ring-id id
Specifies a parent ring ID.

Modes

ERP configuration mode

Usage Guidelines

This command sets the major-ring or sub-ring, and optionally the ERP ID, that are associated with this sub-ring. Both the parent and the sub-ring ERP instances can be configured with the same VLAN.

Use the no form of this command to revert to the previous configuration.

Examples

The following example sets the sub-ring and a parent-ring ID of 2.

device# configure terminal
device(config)# erp 1
device(config-erp-1)# sub-ring parent-ring-id 2