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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R012C00

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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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: 2019-01-18

Document ID: EDOC1100038843

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