参数资料
型号: ZL50408GDC
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封装: 17 X 17 MM, 1.40 MM HEIGHT, MO-192, LBGA-208
文件页数: 128/144页
文件大小: 1779K
代理商: ZL50408GDC
ZL50408
Data Sheet
84
Zarlink Semiconductor Inc.
12.3.3
(Group 2 Address) Port Trunking Groups
Trunk Group – Up to eight RMAC ports can be selected for each trunk group.
12.3.3.1
TRUNKn– Trunk Group 0~7
CPU Address: h0200+n (n = trunk group)
Accessed by CPU (R/W)
Bit [7:0] Port 7-0 bit map of trunk n. (Default 0)
Bit [2]:
Disable dropping of frames with destination MAC addresses 01-80-C2-00-00-01 to
0x01-80-C2-00-00-0F.
0: Drop all frames in this range (Default)
1: Disable dropping of frames in this range
Bit [3]:
Flooding control in secure mode
0: Enable - Learning disabled port will not receive any flooding packets (Default)
1: Disable
Bit [4]:
Support MAC address 0
0: MAC address 0 is not learned. (Default)
This means packet with destination MAC address 0 is forwarded as unknown
destination. It is subjected to unicast to multicast rate control.
1: MAC address 0 is learned.
Bit [5]:
Disable IEEE multicast control frame (01-80-C2-00-00-00 to 01-80-C2-00-00-0F) to
CPU in managed mode. In unmanaged mode, frame is forwarded as multicast (except
PAUSE frame).
0: Frame is forwarded to CPU (Default)
1: Frame is forwarded as multicast (except PAUSE frame)
Bit [6]:
IP Multicast Enable
0: Disable (default)
1: Enable
In general, this bit is equal to ^FEN[4].
Bit [7]:
Enable logical port match in secure mode
0: Disable (Default)
1: Enable - When Well Known or User Define logical port force discard enabled, force
any IP packet with logical port number matching logical port numbers to CPU.
B
i
t
7
B
i
t
0
TRUNK0
P
o
r
t
7
P
o
r
t
0
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