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S1720, S2700, S3700, S5700, S6700, S7700, and S9700 Series Switches Common Operation Guide

This document describes the CLI-based configurations of universal protocols and common features for Huawei switches on basic networks.
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Configuring 2 to 1 VLAN Mapping

Configuring 2 to 1 VLAN Mapping

When an interface configured with 2 to 1 VLAN mapping receives a double-tagged packet, it maps the outer tag of the packet to the S-VLAN tag and transparently transmits the inner tag as the data.

For example, configure the switch to map the outer VLAN ID of 8 and inner VLAN ID of 7 in packets entering GE1/0/1 to the outer VLAN ID of 200 and to retain the inner VLAN ID.
<HUAWEI> system-view
[HUAWEI] interface gigabitethernet1/0/1
[HUAWEI-GigabitEthernet1/0/1] port link-type trunk  //Configure the interface as a trunk interface. VLAN mapping can only be configured on a trunk or hybrid interface.
[HUAWEI-GigabitEthernet1/0/1] qinq vlan-translation enable  //On a fixed device, VLAN translation must be enabled first. This configuration is not required on a modular device.
[HUAWEI-GigabitEthernet1/0/1] port vlan-mapping vlan 8 inner-vlan 7 map-vlan 200
NOTE:
Only the S1720X, S1720X-E, S3700HI, S5700EI, S5700HI, S5710EI, S5710HI, S5720EI, S5720HI, S5730HI, S5730S-EI, S5730SI, S6700EI, S6720EI, S6720HI, S6720LI, S6720S-EI, S6720S-LI, S6720S-SI, and S6720SI of fixed devices support this configuration. The modular device supports this configuration.
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Updated: 2018-09-03

Document ID: EDOC1000057410

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