User's Manual

Table Of Contents
APCD-LM043-4.0 183
Appendix E 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 183
Routing Table (CCU and EUM) on page 184
ARP Table (CCU and EUM) on page 187
Address Translation Table (CCU only) on page 188
Authorization Table (CCU only) on page 189
Registration Table (CCU only) on page 190
ARP Map Table (CCU and EUM) on page 191
Customer Table (EUM only) on page 192
Basic Configuration File (CCU and EUM) on page 193
Permanent Configuration File (CCU and EUM) on page 193
System Status File (CCU and EUM) on page 195
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: