Runtime Switching Software Default Settings

266

Understanding and Troubleshooting the Spanning Tree Protocol

267

Blocking State

267

Listening State

268

Learning State

269

Forwarding State

270

Disabled State

271

Troubleshooting STP

272

Spanning Tree Protocol Failure

272

Full/Half Duplex Mismatch

273

Unidirectional Link

274

Packet Corruption

275

Resource Errors

275

Identifying a Data Loop

275

Avoiding Trouble

275

Brief Review of Bitwise Logical Operations

279

Index

280

ix

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D-Link DES-3326 manual