CLI Management Guide
TigerAccessâ„¢ EE
12 SMC7824M/VSW
8.3 Spanning-Tree Protocol (STP)............................................................ 257
8.3.1 STP Operation ......................................................................................... 258
8.3.2 RSTP Operation....................................................................................... 262
8.3.2.1 Port States ................................................................................................... 262
8.3.2.2 BPDU Policy ................................................................................................ 263
8.3.2.3 Rapid Network Convergence ....................................................................... 263
8.3.2.4 Compatibility with 802.1d............................................................................. 266
8.3.3 MSTP Operation ...................................................................................... 266
8.3.3.1 MSTP........................................................................................................... 267
8.3.4 Enabling STP Function (Required) .......................................................... 268
8.3.5 Configuring MSTP/PVSTP Mode............................................................. 269
8.3.6 STP Basic Configuration.......................................................................... 269
8.3.6.1 Path-cost Method......................................................................................... 269
8.3.6.2 Edge Ports ................................................................................................... 270
8.3.6.3 BPDU Transmit hold count........................................................................... 271
8.3.6.4 Port Priority .................................................................................................. 271
8.3.6.5 Link Type ..................................................................................................... 272
8.3.6.6 Displaying Configuration.............................................................................. 272
8.3.7 Configuring MSTP.................................................................................... 273
8.3.7.1 Root Switch.................................................................................................. 273
8.3.7.2 Path-cost...................................................................................................... 273
8.3.7.3 Port Priority .................................................................................................. 274
8.3.7.4 MST Region................................................................................................. 274
8.3.7.5 Enabling MSTP configuration ...................................................................... 276
8.3.7.6 Displaying Configuration.............................................................................. 276
8.3.8 Configuring PVSTP .................................................................................. 277
8.3.8.1 Enabling PVSTP .......................................................................................... 277
8.3.8.2 Root Switch.................................................................................................. 278
8.3.8.3 Path-cost...................................................................................................... 278
8.3.8.4 Port Priority .................................................................................................. 279
8.3.8.5 Displaying Configuration.............................................................................. 279
8.3.9 Root Guard............................................................................................... 280
8.3.10 Restarting Protocol Migration................................................................... 281
8.3.11 Loop Back Detection................................................................................ 281
8.3.12 BPDU Configuration................................................................................. 282
8.3.12.1 Hello Time.................................................................................................... 283
8.3.12.2 Forward Delay Time..................................................................................... 283
8.3.12.3 Max Age....................................................................................................... 284
8.3.12.4 BPDU Hop Count......................................................................................... 284
8.3.12.5 BPDU Filtering ............................................................................................. 285
8.3.12.6 BPDU Guard................................................................................................ 285
8.3.13 Sample Configuration............................................................................... 287
8.4 Ethernet Ring Protection (ERP).......................................................... 289
8.4.1 ERP Mechanism ...................................................................................... 289
8.4.2 Loss of Test Packet (LOTP) ..................................................................... 293
8.4.3 ERP Shared Link...................................................................................... 293
8.4.4 Configuring ERP Domain......................................................................... 294
8.4.4.1 ERP Domain Name...................................................................................... 294
8.4.4.2 Primary and Secondary Port........................................................................ 294
8.4.4.3 Protected VLAN ........................................................................................... 294
8.4.4.4 Control VLAN............................................................................................... 295