ROX™
ROX™ v2.2 User Guide
8
RuggedBackbone™ RX1500
29.1.6. Forbidden Ports List ............................................................................ 333
29.1.7. VLAN-aware Mode of Operation .......................................................... 333
29.1.8. GVRP (GARP VLAN Registration Protocol) ......................................... 334
29.1.9. PVLAN Edge ..................................................................................... 335
29.2. VLAN Applications ......................................................................................... 336
29.2.1. Traffic Domain Isolation ....................................................................... 336
29.2.2. Administrative Convenience ................................................................. 336
29.2.3. Reduced Hardware ............................................................................. 336
29.3. VLAN Configuration ....................................................................................... 337
29.3.1. Static VLANs ...................................................................................... 338
29.3.2. Port VLAN Parameters ........................................................................ 339
29.3.3. VLAN Summary .................................................................................. 340
29.3.4. Forbidden Ports .................................................................................. 343
29.4. Troubleshooting ............................................................................................. 343
30. Network Discovery .................................................................................................. 345
30.1. LLDP Operation ............................................................................................ 345
30.2. LLDP Parameters .......................................................................................... 346
III. Routing and Security ......................................................................................................... 353
31. ROX™ Routing Overview ......................................................................................... 354
31.1. IP Routing in ROX™ ..................................................................................... 354
31.2. Physical Ethernet Port Types in ROX™ .......................................................... 354
31.3. Routing ......................................................................................................... 354
31.3.1. Using VLAN Interfaces for Routing and Layer 3 Switching ..................... 354
31.3.2. Routing IP Packets ............................................................................. 355
32. Layer 3 Switching .................................................................................................... 356
32.1. Layer 3 Switching Fundamentals .................................................................... 356
32.1.1. What is a Layer 3 Switch? .................................................................. 356
32.1.2. Layer 3 Switch Forwarding table .......................................................... 356
32.1.3. Static Layer 3 Switching Rules ............................................................ 357
32.1.4. Dynamic Learning of Layer 3 Switching Rules ...................................... 357
32.1.5. Layer 3 Switch ARP table ................................................................... 357
32.1.6. Layer 3 Multicast Switching ................................................................. 358
32.1.7. Size of the Layer 3 Switch Forwarding Table ........................................ 358
32.1.8. Interaction with the Firewall ................................................................. 358
32.1.9. Sample Use Case ............................................................................... 359
32.2. Configuring Layer 3 Switching ........................................................................ 362
32.2.1. Configuring Layer 3 Switching Settings ................................................ 363
32.2.2. Creating Static ARP Table Entries ....................................................... 364
32.2.3. Viewing Static and Dynamic ARP Table Entries .................................... 365
32.2.4. Viewing Routing Rules ........................................................................ 365
32.2.5. Flushing Dynamic Hardware Routing Rules .......................................... 368
33. Tunnelling ................................................................................................................ 369
33.1. IPsec ............................................................................................................ 369
33.1.1. VPN Fundamentals ............................................................................. 369
33.1.2. IPsec Configuration ............................................................................. 372
33.2. L2TP Tunnelling Configuration ....................................................................... 382
33.3. Layer 2 Tunnelling ......................................................................................... 384
33.3.1. IEC61850 GOOSE Fundamentals ........................................................ 384
33.3.2. Generic Layer 2 Tunnel Fundamentals ................................................. 385
33.3.3. Layer 2 Tunnelling Configuration ......................................................... 386
33.4. Generic Routing Encapsulation (GRE) ............................................................ 394
33.4.1. Generic Routing Encapsulation Configuration ....................................... 394
34. Dynamic Routing ...................................................................................................... 397
34.1. Introduction ................................................................................................... 397
