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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

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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Configuring a Protected Instance

Configuring a Protected Instance

Context

Interfaces can be added to a SEP segment only after the SEP segment is configured with protected instances.

Procedure

  1. Run system-view

    The system view is displayed.

  2. (Optional) Create and configure the mapping between MSTIs and VLANs.

    NOTE:

    If the stp mode vbst command sets the STP working mode to VBST, you must perform this step to configure the mapping between MSTIs and VLANs. Otherwise, the protected instance in a SEP segment cannot be configured.

    1. Run stp region-configuration

      The MST region view is displayed.

    2. Run instance instance-id vlan vlan-id

      The mapping between MSTIs and VLANs is created and configured.

      By default, all VLANs map to MSTI 0.

    3. Run active region-configuration

      The mapping between MSTIs and VLANs is activated.

    4. Run quit

      Exit from the MST region view.

  3. Run sep segment segment-id

    A SEP segment is created and the view of the SEP segment is displayed.

  4. Run protected-instance { all | { instance-id1 [ to instance-id2 ] } &<1-10> }

    A protected instance is configured in a SEP segment.

    When the mapping between MSTIs and VLANs is configured, instance-id in this step must be the same as instance-id in the instance command.

    By default, no protected instance is configured in a SEP segment.

    NOTE:

    When the mapping between MSTIs and VLANs is not configured, the SEP protected instance is valid for all VLANs.

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Updated: 2019-10-18

Document ID: EDOC1000178310

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