NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 605 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
[1]
AMP
Accept Multicast Packet
The AMP controls the multicast packet reception. If AMP is enabled, EMAC receives all
incoming packet its destination MAC address is a multicast address.
0 = EMAC receives packet depends on the CAM comparison result.
1 = EMAC receives all multicast packets.
[0]
AUP
Accept Unicast Packet
The AUP controls the unicast packet reception. If AUP is enabled, EMAC receives all
incoming packet its destination MAC address is a unicast address.
0 = EMAC receives packet depends on the CAM comparison result.
1 = EMAC receives all unicast packets.
CAMCMR Setting and Comparison Results
The following table is the address recognition result in different CAMCMR configuration. The column Result shows the
incoming packet type that can pass the address recognition in specific CAM configuration. The C, U, M and B represents
the:
C: Indicates the destination MAC address of incoming packet has been configured in CAM entry.
U: Indicates the incoming packet is a unicast packet.
M: Indicates the incoming packet is a multicast packet.
B: Indicates the incoming packet is a broadcast packet.
ECMP
CCAM
AUP
AMP
ABP
Result
0
0
0
0
0
No Packet
0
0
0
0
1
B
0
0
0
1
0
M
0
0
0
1
1
M
B
0
0
1
0
0
C
U
0
0
1
0
1
C
U
B
0
0
1
1
0
C
U
M
0
0
1
1
1
C
U
M
B
0
1
0
0
0
C
U
M
B
0
1
0
0
1
C
U
M
B
0
1
0
1
0
C
U
M
B
0
1
0
1
1
C
U
M
B
0
1
1
0
0
C
U
M
B
0
1
1
0
1
C
U
M
B
0
1
1
1
0
C
U
M
B
0
1
1
1
1
C
U
M
B
1
0
0
0
0
C