Contents
Configure Remote Site Profiles............................................................................38
Configure Remote Site Profiles for ISDN PPP........................................................ 39
Configure Remote Site Profile for Frame Relay....................................................... 41
Configure Remote Site Profiles for Leased Line PPP............................................. 44
Configure Remote Site Profiles for Frame Relay with ISDN backup...................46
Configure Remote Site Profiles for PPPoE...............................................................47
Advanced Features.................................................................................................50
Configure Dynamic Host Configuration Protocol................................................... 50
Network Address Translation and Port Translation................................................ 52
Security.............................................................................................................................54
Configure PPP Security...........................................................................................................54
Configure Firewall....................................................................................................................56
Network Address Translation................................................................................................59
Filters..........................................................................................................................................59
Compression................................................................................................................... 59
Bandwidth On Demand................................................................................................60
QOS - Priority Queuing................................................................................................ 61
Simple Network Time Protocol (SNTP)....................................................................63
3 INTRODUCTION TO FILTERING 65
MAC Address Filtering..........................................................................................65
Pattern Filtering...................................................................................................... 66
Popular Filters.........................................................................................................67
Bridge....................................................................................................................... 67
IP & Related Traffic.......................................................................................................67
Novell IPX Frames........................................................................................................ 67
NetBIOS &NetBEUI (Windows For Workgroups)................................................ 67
Banyan..............................................................................................................................68
IP Router..................................................................................................................68
NetBIOS over TCP....................................................................................................... 68
Other interesting TCP Ports........................................................................................ 68
APPENDIX A MENU TREES 69
APPENDIX B OCTET LOCATIONS ON ETHERNET FRAMES 72
Octet Locations on a Bridged TCP/IP Frame...................................................72
Octet Locations on a Bridged Novell Netware Frame.....................................73
ETHERNET Type Codes.................................................................................... 73
Octet Locations on an IP Routed TCP/IP Frame............................................74
Octet Locations on an IPX Routed Novell Netware Frame...........................74
Octet Locations on a Bridged XNS Frame........................................................ 75
APPENDIX C SERVICING INFORMATION 76
Opening the case.................................................................................................... 76
Identifying the Internal Components..................................................................77
To Clear a “Lost” Password................................................................................. 78
Changing LAN or WAN Interfaces.....................................................................78
Selecting MDI or MDI-X LAN Interface...........................................................78
Installing the ISDN Link Modules.......................................................................79