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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Creating an ERPS Ring

Creating an ERPS Ring

Context

ERPS works for ERPS rings. An ERPS ring consists of interconnected Layer 2 switching devices configured with the same control VLAN and data VLAN. Before configuring other ERPS functions, configure an ERPS ring.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    erps ring ring-id

    An ERPS ring is created and the ERPS ring view is displayed.

    By default, an ERPS ring configured using the erps ring ring-id command is a major ring.

  3. Run:

    version v2

    ERPSv2 is specified.

    By default, ERPSv1 is used.

    Before specifying ERPSv1 for an ERPSv2-enabled device, delete all ERPS configurations that ERPSv1 does not support.

  4. (Optional) Run:

    sub-ring

    The ERPS ring is configured as a sub-ring.

    By default, an ERPS ring is a major ring. Major rings are closed, and sub-rings are open. This step is performed only when an existing ERPS ring needs to be used as a sub-ring.

    An ERPS ring that has a port cannot be configured as a sub-ring. Before configuring an ERPS ring that has a port as a sub-ring, run the undo erps ring command in the interface view or the undo port command in the ERPS ring view to delete the port from the ERPS ring. Then run the sub-ring command to configure the ERPS ring as a sub-ring.

  5. (Optional) Run:

    virtual-channel { enable | disable }

    The RAPS PDU transmission mode is specified in the sub-ring.

    By default, sub-rings use non-virtual-channels (NVCs) to transmit RAPS PDUs. The default transmission mode is recommended. When sub-ring links are incontiguous, VCs must be used. This step takes effect only in a sub-ring.

    NOTE:

    If a virtual channel (VC) needs to be used, configure VCs on all nodes of a sub-ring and intersecting point of the sub-ring and major ring.

  6. (Optional) Run:

    description text

    The description is configured for the ERPS ring.

    By default, the description of an ERPS ring is the ERPS ring name, for example, Ring 1.

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Updated: 2019-08-21

Document ID: EDOC1000142081

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