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