ROX™
ROX™ v2.2 User Guide
7
RuggedBackbone™ RX5000
25.4.2. Port RSTP Parameters ........................................................................ 247
25.4.3. Bridge MSTI Parameters ..................................................................... 249
25.4.4. Port MSTI Parameters ........................................................................ 251
25.5. Spanning Tree Statistics ................................................................................ 253
25.5.1. Bridge RSTP Statistics ........................................................................ 253
25.5.2. Port RSTP Statistics ........................................................................... 255
25.5.3. MSTI Status ....................................................................................... 258
25.5.4. Port MSTP Statistics ........................................................................... 260
25.6. Clearing Spanning Tree Statistics ................................................................... 261
25.7. Troubleshooting ............................................................................................. 262
26. Virtual LANs ............................................................................................................. 265
26.1. VLAN Operation ............................................................................................ 265
26.1.1. VLANs and Tags ................................................................................ 265
26.1.2. Tagged vs. Untagged Frames ............................................................. 265
26.1.3. Native VLAN ....................................................................................... 265
26.1.4. Edge and Trunk Port Types ................................................................ 265
26.1.5. VLAN Ingress and Egress Rules .......................................................... 266
26.1.6. Forbidden Ports List ............................................................................ 266
26.1.7. VLAN-aware Mode of Operation .......................................................... 266
26.1.8. GVRP (GARP VLAN Registration Protocol) ......................................... 267
26.1.9. PVLAN Edge ..................................................................................... 268
26.2. VLAN Applications ......................................................................................... 269
26.2.1. Traffic Domain Isolation ....................................................................... 269
26.2.2. Administrative Convenience ................................................................. 269
26.2.3. Reduced Hardware ............................................................................. 269
26.3. VLAN Configuration ....................................................................................... 270
26.3.1. Static VLANs ...................................................................................... 271
26.3.2. Port VLAN Parameters ........................................................................ 272
26.3.3. VLAN Summary .................................................................................. 273
26.3.4. Forbidden Ports .................................................................................. 276
26.4. Troubleshooting ............................................................................................. 276
27. Network Discovery .................................................................................................. 278
27.1. LLDP Operation ............................................................................................ 278
27.2. LLDP Parameters .......................................................................................... 279
III. Routing and Security ......................................................................................................... 286
28. ROX™ Routing Overview ......................................................................................... 287
28.1. IP Routing in ROX™ ..................................................................................... 287
28.2. Physical Ethernet Port Types in ROX™ .......................................................... 287
28.3. Routing ......................................................................................................... 287
28.3.1. Using VLAN Interfaces for Routing and Layer 3 Switching ..................... 287
28.3.2. Routing IP Packets ............................................................................. 288
29. Layer 3 Switching .................................................................................................... 289
29.1. Layer 3 Switching Fundamentals .................................................................... 289
29.1.1. What is a Layer 3 Switch? .................................................................. 289
29.1.2. Layer 3 Switch Forwarding table .......................................................... 289
29.1.3. Static Layer 3 Switching Rules ............................................................ 290
29.1.4. Dynamic Learning of Layer 3 Switching Rules ...................................... 290
29.1.5. Layer 3 Switch ARP table ................................................................... 290
29.1.6. Layer 3 Multicast Switching ................................................................. 291
29.1.7. Size of the Layer 3 Switch Forwarding Table ........................................ 291
29.1.8. Interaction with the Firewall ................................................................. 291
29.1.9. Sample Use Case ............................................................................... 292
29.2. Configuring Layer 3 Switching ........................................................................ 295
29.2.1. Configuring Layer 3 Switching Settings ................................................ 296