4.3.2 Replacing a Single Tag..........................................................................................................................160

4.3.3 Checking the Configuration...................................................................................................................161

4.4 Configuring VLAN Mapping of Double VLAN Tags...................................................................................161

4.4.1 Establishing the Configuration Task.....................................................................................................161

4.4.2 Replacing Double Tags.........................................................................................................................162

4.4.3 Replacing the Outer VLAN Tag............................................................................................................162

4.4.4 Checking the Configuration...................................................................................................................163

4.5 Configuring Flow-based VLAN Mapping.....................................................................................................163

4.5.1 Establishing the Configuration Task.....................................................................................................163

4.5.2 Replacing a Single Tag..........................................................................................................................164

4.5.3 Replacing Double Tags.........................................................................................................................166

4.5.4 Replacing the Outer VLAN Tag............................................................................................................169

4.5.5 Checking the Configuration...................................................................................................................171

4.6 Configuring VLAN Mapping Based On the VLAN Priority.........................................................................172

4.6.1 Establishing the Configuration Task.....................................................................................................172

4.6.2 Configuring VLAN Mapping Based on the VLAN Priority on the Incoming Interface.......................172

4.6.3 (Optional) Configuring VLAN Priority Mapping on the Outbound Interface......................................173

4.6.4 Checking the Configuration...................................................................................................................174

4.7 Configuration Examples.................................................................................................................................174

4.7.1 Example for Configuring Mapping of Single VLAN Tag....................................................................174

4.7.2 Example for Configuring N:1 VLAN Mapping....................................................................................178

4.7.3 Example for Configuring Mapping of Double VLAN Tags (2 to 2).....................................................180

4.7.4 Example for Configuring Flow-based VLAN Mapping........................................................................183

5 QinQ Configuration..................................................................................................................188

5.1 Concept of QinQ.............................................................................................................................................190

5.2 QinQ Features Supported by the S7700.........................................................................................................190

5.3 Configuring QinQ on an Interface..................................................................................................................190

5.3.1 Establishing the Configuration Task.....................................................................................................190

5.3.2 Setting the Link Type of an Interface....................................................................................................191

5.3.3 Specifying the Outer VLAN ID.............................................................................................................192

5.3.4 Checking the Configuration...................................................................................................................192

5.4 Configuring Selective QinQ...........................................................................................................................192

5.4.1 Establishing the Configuration Task.....................................................................................................192

5.4.2 Setting the Link Type of an Interface....................................................................................................193

5.4.3 Adding an Outer VLAN Tag.................................................................................................................193

5.4.4 Configuring Selective QinQ..................................................................................................................194

5.4.5 Checking the Configuration...................................................................................................................195

5.5 Configuring Flow-based Selective QinQ.......................................................................................................195

5.5.1 Establishing the Configuration Task.....................................................................................................195

5.5.2 Setting the Link Type of an Interface....................................................................................................195

Issue 01 (2011-07-15)

Huawei Proprietary and Confidential

Contents

viii

Table of Contents