P-660R/H-D Series User's Guide
Appendix F
IP Subnetting ........................................................................................................ 350
IP Addressing......................................................................................................... 350
IP Classes .............................................................................................................. 350
Subnet Masks ........................................................................................................ 351
Subnetting .............................................................................................................. 351
Example: Two Subnets .......................................................................................... 352
Example: Four Subnets.......................................................................................... 354
Example Eight Subnets .......................................................................................... 355
Boot Commands .................................................................................................. 358
Command Interpreter........................................................................................... 360
Command Syntax................................................................................................... 360
Command Usage ................................................................................................... 360
Firewall Commands ............................................................................................. 362
Appendix J
Telephone Microfilters ............................................................................................ 368
Prestige With ISDN ................................................................................................ 369
PPPoE in Action..................................................................................................... 370
Benefits of PPPoE.................................................................................................. 370
How PPPoE Works ................................................................................................ 371
Internal SPTGEN .................................................................................................. 372
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