參數(shù)資料
型號(hào): L84302
元件分類: 通用總線功能
英文描述: L84302 Quad 100/10 Mbps 4-Port Ethernet Controller with RMON/SNMP Management Counters technical manual 4/02
中文描述: L84302四100/10 Mbps的4端口以太網(wǎng)的遠(yuǎn)程監(jiān)控控制器/ SNMP管理處的技術(shù)手冊(cè),4月2日
文件頁數(shù): 61/128頁
文件大?。?/td> 997K
代理商: L84302
Functional Description
Copyright 1997-2002 by LSI Logic Corporation. All rights reserved.
61 of 128
April, 2002
33
ifOutUcastPkts
TX
Unicast packets, good and bad. No
retries
Broadcast and multicast packets, good
only. Equivalent to
“etherStatsBroadcastPkts +
etherStatsMulticastPkts”
Broadcast and multicast packets, good
only. Equivalent to “etherStatsPkts -
ifOutUcastPkts”
32
0110111
ifInNUcastPkts
RX
Use Ctr.
# 9+10
ifOutNUcastPkts
TX
Use Ctr.
#8-33
Ethernet MIB (802.3 Clause 30)
aFramesTransmittedOK
TX
All packets, good only.
Equivalent to “etherStatsPkts -
ifOutErrors”
Packets successfully transmitted after
one and only one collision (i.e.: attempt
value=2).
Packets successfully transmitted after
more than one collision (i.e.: 2<attempt
value<16).
All packets, good only.
Equivalent to “ifInUcastPkts +
etherStatsBroadcastPkts+
etherStatsMulticastPkts”
Packets with CRC error only.
Use Ctr.
#8-29
34
aSingleCollisionFrames
TX
32
0111000
35
aMultipleCollisionFrames
TX
32
0111001
aFramesReceivedOK
RX
Use Ctr.
#32+9+
10
36
aFrameCheckSequence
Errors
aAlignmentErrors
aOctetsTransmittedOK
RX
32
0111010
37
38
RX
TX
Packets with alignment error only.
Bytes, exclusive of preamble, in good
packets only. No retries.
Packets deferred, i.e. packets whose
transmission was delayed due to busy
medium, on first attempt only. This does
not include collisions.
Packets that encounter a late collision,
i.e. encountered collisions more than
512 bit times into transmitted packet. A
late collision is counted twice, as a col-
lision and a late collision.
32
32
0111011
0111100
39
aFramesWithDeferred
Xmissions
TX
32
0111101
40
aLateCollisions
TX
32
0111110
Table 12
Counter Definition (Cont.)
Ctr.
#
Counter Name
(MIB Object Name)
Counter Definition
RX/
TX
Description
Size
(Bits)
Register
Address
A[7:1]
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