AM79C976 datasheet(75/309 Pages) AMD

75 / 309 page

8/01/00

Am79C976

P R E L I M INARY

RcvUndersizePkts

RMON etherStatsUndersizePkts

RMON etherHistoryUndersizePkts

The total number of valid frames received

that are less than 64 bytes long (including

the FCS) and do not have any error. SFD

must be received so that the FCS can be

calculated.

RcvOversizePkts

RMON etherStatsOversizePkts

RMON etherHistoryOversizePkts

E-like MIB dot3StatsFrameTooLongs

The total number of packets received that

are greater than 1518 (1522 when VLAN

set) bytes long (including the FCS) and do

not have any error. SFD must be received

so that the FCS can be calculated.

RcvFragments

RMON etherStatsFragments

RMON etherHistoryFragments

The number of packets received that are

less than 64 bytes (not including the

preamble or SFD) and have either an FCS

error or an alignment error.

RcvJabbers

RMON etherStatsJabbers

RMON etherHistoryJabbers

The number of packets received that are

greater than 1518 (1522 when VLAN set)

bytes long and have either an FCS error or

an alignment error.

RcvUnicastPkts

MIB-II ifInUcastPkts

The number of valid frames received that

are not addressed to a multicast address

or a broadcast address. This counter does

not include errored unicast packets.

RcvAlignmentErrors

E-like MIB dot3StatsAlignmentErrors

The number of packets received that are

between 64 and 1518 (1522 when VLAN

set) bytes (excluding preamble/SFD but

including FCS), inclusive, and have a bad

FCS with non-integral number of bytes.

RcvFCSErrors

E-like MIB dot3StatsFCSErrors

The total number of packets received that

are between 64 and 1518 (1522 when

VLAN set) bytes (excluding preamble/SFD

but including FCS), inclusive, and have a

bad FCS with an integral number of bytes.

This counter will also count packets with a

correct FCS if RX_ER occurs when valid

carrier RX_DV is present.

RcvGoodOctets

RMON hostInOctets

RMON hostTimeInOctets

The total number of bytes received by a

port. Bytes are 8-bit quantities received

after the SFD. This does not include

preamble or bytes from erroneous

packets, but does include the FCS.

RcvMACCtrl

802.3x aMACControlFramesReceived

The total number of valid frames received

with a lengthOrType field value equal to

8808h.

RcvFlowCtrl

802.3x

aPAUSEMACCtrlFramesReceived

The total number of valid frames received

with (1) a lengthOrType field value equal to

8808h and (2) an opcode equal to 1.

RcvPkts64Octets

RMON etherStatsPkts64Octets

The total number of packets (including

error packets) that are 64 bytes long.

RcvPkts65to127Octets

RMON etherStatsPkts65to127Octets

The total number of packets (including

error packets) that are 65 bytes to 127

bytes long, inclusive.

Offset (hex)

Receive Counter Name

MIB Object Supported

Description of Counter/Comments

AM79C976 데이터시트(PDF) 75 Page - Advanced Micro Devices

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