User's Manual Part 2

APCD-LM043-8.0 (DRAFT C) 231
Appendix G CCU/EUM Data Tables
The CCU and EUM firmware is structured around a set of tables and files, which are
discussed in the following sections in the logical order that they are actively involved in the
transmission of packets from the Internet to the end-user’s PC:
Port Filter Table (CCU and EUM) on page 231
Routing Table (CCU and EUM) on page 232
ARP Table (CCU and EUM) on page 236
Address Translation Table (CCU only) on page 238
Authorization Table (CCU only) on page 239
Registration Table (CCU only) on page 240
ARP Map Table (CCU only) on page 241
Bridge Table (EUM or CCU in Switched Ethernet or Through Only Mode) on page 242
Basic Configuration File (CCU and EUM) on page 243
Permanent Configuration File (CCU and EUM) on page 245
System Status File (CCU and EUM) on page 246
Port Filter Table (CCU and EUM)
The Port Filter Table provides a list of all port filters that have been enabled. Any IP packet
with one of these port numbers will be discarded.
The contents of the Port Filter Table are: