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S9300, S9300E, and S9300X V200R012C00 Configuration Guide - Ethernet Switching

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, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Configuring 2:2 VLAN Mapping

Configuring 2:2 VLAN Mapping

Context

QinQ is used to send double-tagged packets, which prevents the conflict between C-VLAN IDs and S-VLAN IDs and differentiates services and users. However, the interface will discard the packets because C-VLAN IDs are different from S-VLAN IDs. To ensure communication continuity, configure 2:2 VLAN mapping on the PE and replace double C-VLAN tags with double S-VLAN tags.

NOTE:

The LE0MG24CA and LE0MG24SA cards do not support VLAN mapping for double-tagged packets.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The Ethernet interface view is displayed.

  3. Run port vlan-mapping vlan vlan-id1 inner-vlan vlan-id2 map-vlan vlan-id3 map-inner-vlan vlan-id4 [ remark-8021p 8021p-value ]

    The outer and inner VLAN tags are replaced.

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Updated: 2019-01-18

Document ID: EDOC1100038290

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