ROX™
ROX™ v2.2 User Guide
6
RuggedBackbone™ RX5000
19.2. Sample Use Case ......................................................................................... 185
19.3. Virtual Switch Configuration and Status .......................................................... 186
20. Link Aggregation ...................................................................................................... 192
20.1. Link Aggregation Operation ............................................................................ 192
20.1.1. Link Aggregation Rules ....................................................................... 192
20.1.2. Link Aggregation Limitations ................................................................ 193
20.2. Link Aggregation Configuration ....................................................................... 194
20.2.1. Configuring Port Trunks ...................................................................... 194
21. Port Security ............................................................................................................ 201
21.1. Port Security Operation .................................................................................. 201
21.1.1. Static MAC address-based authorization .............................................. 201
21.1.2. IEEE 802.1X Authentication ................................................................. 201
21.2. Port Security Configuration ............................................................................. 203
21.2.1. Port Security Parameters .................................................................... 204
21.2.2. 802.1X Parameters ............................................................................. 205
22. Multicast Filtering ..................................................................................................... 207
22.1. IGMP ............................................................................................................ 207
22.1.1. Router and Host IGMP Operation ........................................................ 207
22.1.2. Switch IGMP Operation ....................................................................... 208
22.1.3. Combined Router and Switch IGMP Operation ...................................... 210
22.2. GMRP (GARP Multicast Registration Protocol) ................................................ 210
22.2.1. GMRP Example .................................................................................. 211
22.3. Multicast Filtering Configuration and Status .................................................... 213
22.3.1. Configuring IGMP Parameters ............................................................. 213
22.3.2. Configuring Static Multicast Groups ...................................................... 215
22.3.3. Configuring GMRP .............................................................................. 218
22.4. Troubleshooting ............................................................................................. 220
23. Classes Of Service .................................................................................................. 222
23.1. CoS Operation .............................................................................................. 222
23.1.1. Inspection Phase ................................................................................ 222
23.1.2. Forwarding Phase ............................................................................... 223
23.2. CoS Configuration ......................................................................................... 223
23.2.1. Global CoS Parameters ...................................................................... 223
23.2.2. Priority to CoS Mapping ...................................................................... 224
23.2.3. DSCP to CoS Mapping ....................................................................... 225
24. MAC Address Tables ............................................................................................... 227
25. Spanning Tree ......................................................................................................... 231
25.1. RSTP Operation ............................................................................................ 231
25.1.1. RSTP States and Roles ...................................................................... 232
25.1.2. Edge Ports ......................................................................................... 234
25.1.3. Point-to-Point and Multipoint Links ....................................................... 234
25.1.4. Path and Port Costs ........................................................................... 234
25.1.5. Bridge Diameter .................................................................................. 235
25.2. MSTP Operation ............................................................................................ 235
25.2.1. MST Regions and Interoperability ........................................................ 236
25.2.2. MSTP Bridge and Port Roles .............................................................. 237
25.2.3. Benefits of MSTP ............................................................................... 238
25.2.4. Implementing MSTP on a Bridged Network ........................................... 238
25.3. RSTP Applications ......................................................................................... 239
25.3.1. RSTP in Structured Wiring Configurations ............................................ 239
25.3.2. RSTP in Ring Backbone Configurations ............................................... 241
25.3.3. RSTP Port Redundancy ...................................................................... 242
25.4. Spanning Tree Configuration .......................................................................... 242
25.4.1. Spanning Tree Parameters .................................................................. 243
