cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 118
cx82100
Manufacturer Part Number
cx82100
Description
Home Network Processor Hnp
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX82100.pdf
(226 pages)
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Table 7-6. Hash Index Generated Using Ethernet CRC Algorithm
7-20
Addresses Subject to Imperfect Filtering
Physical Address Subject to Perfect Filtering
Multicast/Unicast
Conexant Proprietary and Confidential Information
Figure 7-9. Imperfect Address Filtering
Example of an Imperfect Address Filtering Setup Frame
Table 7-6 displays seven multicast addresses to be filtered imperfectly and one unicast
address to be filtered perfectly. The corresponding setup frame is displayed in Figure
7-10.
CX82100 Home Network Processor Data Sheet
47
IG
46
Destination Address
(2) D9-C2-C0-99-0B-82
(3) E7-C1-96-36-89-DD
(4) 85-00-25-00-27-00
(5) 9D-48-4D-FD-CC-0A
(6) C1-CC-28-55-D3-C7
(7) AB-46-0A-55-2D-7E
3A-12-C2-56-DE-91
Ethernet Address
0
if IG=1
if IG=0
31
32-Bit CRC Value in
Little-Endian Mode
0x8C14FEBE
0x3BE71E3C
0xD4BE5976
0x4D69365E
0x18883CD2
0xD57701F6
0x78081873
CRC Logic
32-bit CRC
31
—
0
16
one physical
Hash Table
address
(32x16)
9
5
8
Bits of the CRC Value)
(Most Significant 9
4
0
0
Hash Index:
0x0BE
0x03C
0x0D2
0x1F6
0x05E
0x176
0x073
hit/m iss
—
101545_036
101306C
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