8 V6100 and V7122 User GuidePPPoE Overview 268PPPoE in 3Com Gateways 269IP Multicasting 270Robust Reception of RTP Streams 270Multiple Routers Support 270Simple Network Time Protocol Support 271IP QoS via Differentiated Services (DiffServ) 271VLANS and Multiple IPs 272Multiple IPs 272IEEE 802.1p/Q (VLANs and Priority) 272Getting Started with VLANS and Multiple IPs 274Reader’s Notes 278C HAPTER 10: A DVANCED PSTN C ONFIGURATION 279V7122 Clock Settings 279ISDN Overlap Dialing 280Using ISDN NFAS 280NFAS Interface ID 281Working with DMS-100 Switches 282Redirect Number and Calling Name (Display) 283Reader’s Notes 284C HAPTER 11: A DVANCED S YSTEM C APABILITIES 285Restoring Networking Parameters to their Initial State 285Establishing a Serial Communications Link with the V7122 286Automatic Update Mechanism 287Startup Process 289Using Parameter Tables 292Table Indices 293Table Permissions 293Dynamic Tables vs. Static Tables 293Secret Tables 294Using the ini File to Configure Parameter Tables 294Customizing the V7122 Web Interface 296Replacing the Main Corporate Logo 297Replacing the Background Image File 299Customizing the Product Name 301
