Huawei AR530 Series

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7.6.3 Configuring MSTP Protection Functions................................................................................................................259

7.6.3.1 Configuring BPDU Protection on a Switching Device........................................................................................259

7.6.3.2 Configuring TC Protection on a Switching Device..............................................................................................260

7.6.3.3 Configuring Root Protection on an Interface.......................................................................................................261

7.6.3.4 Configuring Loop Protection on an Interface.......................................................................................................261

7.6.3.5 Checking the Configuration..................................................................................................................................262

7.6.4 Configuring MSTP Interoperability Between Huawei Devices and Non-Huawei Devices....................................262

7.6.4.1 Configuring a Proposal/Agreement Mechanism..................................................................................................262

7.6.4.2 Configuring the MSTP Protocol Packet Format on an Interface..........................................................................263

7.6.4.3 Enabling the Digest Snooping Function...............................................................................................................264

7.6.4.4 Checking the Configuration..................................................................................................................................265

7.7 Maintaining MSTP.....................................................................................................................................................265

7.7.1 Clearing MSTP Statistics.........................................................................................................................................265

7.7.2 Monitoring the Statistics on MSTP Topology Changes..........................................................................................265

7.8 Configuration Examples.............................................................................................................................................265

7.8.1 Example for Configuring Basic MSTP Functions...................................................................................................266

7.9 References..................................................................................................................................................................273

8 SEP Configuration.....................................................................................................................274

8.1 Introduction to SEP....................................................................................................................................................275

8.2 Principles....................................................................................................................................................................275

8.2.1 Principles of SEP.....................................................................................................................................................275

8.2.2 Basic Concepts of SEP............................................................................................................................................278

8.2.3 SEP Implementation Mechanisms...........................................................................................................................282

8.3 Applications................................................................................................................................................................294

8.3.1 Open-Ring Networking...........................................................................................................................................294

8.3.2 Closed-Ring Networking.........................................................................................................................................295

8.3.3 Multi-Ring Networking...........................................................................................................................................296

8.3.4 Hybrid SEP+MSTP Ring Networking....................................................................................................................297

8.3.5 SEP Multi-Instance..................................................................................................................................................298

8.4 Configuration Task Summary....................................................................................................................................299

8.5 Configuring SEP.........................................................................................................................................................300

8.5.1 Configuring Basic SEP Functions...........................................................................................................................300

8.5.1.1 Configuring a SEP Segment.................................................................................................................................301

8.5.1.2 Configuring a Control VLAN...............................................................................................................................301

8.5.1.3 Creating a Protected Instance...............................................................................................................................302

8.5.1.4 Adding a Layer 2 Interface to a SEP Segment and Configuring a Role for the Interface....................................303

8.5.1.5 Checking the Configuration..................................................................................................................................306

8.5.2 Specifying an Interface to Block.............................................................................................................................306

8.5.2.1 Setting an Interface Blocking Mode.....................................................................................................................306

8.5.2.2 Configuring the Preemption Mode.......................................................................................................................307

8.5.2.3 Checking the Configuration..................................................................................................................................309

Huawei AR530&AR550 Series Industrial Switch Routers

Configuration Guide - Ethernet Switching

Contents

Issue 01 (2014-11-30) Huawei Proprietary and Confidential