參數(shù)資料
型號: ZL50418GKC
廠商: Zarlink Semiconductor Inc.
英文描述: Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch
中文描述: 管理16端口10/100平方米端口1個(gè)G以太網(wǎng)交換機(jī)
文件頁數(shù): 47/163頁
文件大小: 2122K
代理商: ZL50418GKC
ZL50418
Data Sheet
47
Zarlink Semiconductor Inc.
13.0 Hardware Statistics Counter
13.1 Hardware Statistics Counters List
ZL50418 hardware provides a full set of statistics counters for each Ethernet port. The CPU accesses these
counters through the CPU interface. All hardware counters are rollover counters. When a counter rolls over, the
CPU is interrupted, so that long-term statistics may be kept. The MAC detects all statistics, except for the delay
exceed discard counter (detected by buffer manager) and the filtering counter (detected by queue manager). The
following is the wrapped signal sent to the CPU through the command block.
31
30
26
25
0
Status Wrapped Signal
B[0]
0-d
Bytes Sent (D)
B[1]
1-L
Unicast Frame Sent
B[2]
1-U
Frame Send Fail
B[3]
2-I
Flow Control Frames Sent
B[4]
2-u
Non-Unicast Frames Sent
B[5]
3-d
Bytes Received (Good and Bad) (D)
B[6]
4-d
Frames Received (Good and Bad) (D)
B[7]
5-d
Total Bytes Received (D)
B[8]
6-L
Total Frames Received
B9]
6-U
Flow Control Frames Received
B[10]
7-l
Multicast Frames Received
B[11]
7-u
Broadcast Frames Received
B[12]
8-L
Frames with Length of 64 Bytes
B[13]
8-U
Jabber Frames
B[14]
9-L
Frames with Length Between 65-127 Bytes
B[15]
9-U
Oversize Frames
B[16]
A-l
Frames with Length Between 128-255 Bytes
B[17]
A-u
Frames with Length Between 256-511 Bytes
B[18]
B-l
Frames with Length Between 512-1023 Bytes
B[19]
B-u
Frames with Length Between 1024-1528 Bytes
B[20]
C-l
Fragments
B[21]
C-U1
Alignment Error
B[22]
C-U
Undersize Frames
B[23]
D-l
CRC
B[24]
D-u
Short Event
B[25]
E-l
Collision
B[26]
E-u
Drop
B[27]
F-l
Filtering Counter
B[28]
F-U1
Delay Exceed Discard Counter
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