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IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet 82
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
5.1.8.1 Conventions
The following conventions are used throughout the RMON Management Information Base (MIB)
and its companion documents.
• Good Packets: Error-free packets that have a valid frame length. For example, on Ethernet,
good packets are error-free packets that are between 64 and 1518 octets long. They follow the
form defined in IEEE 802.3, Section 3.2.
• Bad Packets: Bad packets are packets that have proper framing and recognized as packets, but
contain errors within the packet or have an invalid length. For example, on Ethernet, bad
etherStatsOversizePkts Counter32
RxLongErrors
TxExcessiveLength Drop
Counter 32
Same as RMON
specification
etherStatsFragments Counter32 RuntErrors Counter 32
Same as RMON
specification
etherStatsJabbers Counter32 JabberErrors Counter 32
Same as RMON
specification
etherStatsCollisions Counter32
TxSingleCollision
TxMultipleCollision
TxLateCollision
TxTotalCollision
Counter 32
The TxTotalCollision
count value is
equivalent to the
RMON specification
minus the
TxLateCollision
etherStatsPkts64Octets Counter32
RxPkts64Octets/
TxPkts64Octets
Counter 32
Same as RMON
specification
etherStatsPkts65to127Octets Counter32
RxPkts65to127Octets/
TxPkts65to127Octets
Counter 32
Same a RMON
specification
etherStatsPkts128to255Octets Counter32
RxPkts128to255Octets/
TxPkts128to255Octets
Counter32
Same a RMON
specification
etherStatsPkts256to511Octets Counter32
RxPkts256to511Octets/
TxPkts256to511Octets
Counter32
Same a RMON
specification
etherStatsPkts512to1023Octets Counter32
RxPkts512to1023Octets/
TxPkts512to1023Octets
Counter32
Same a RMON
specification
etherStatsPkts1023to1518Octets Counter32
RxPkts1023to1518Octets/
TxPkts1023to1518Octets
Counter32
Same as RMON
specification
etherStatOwner
Owner
String
NA NA NA
etherStatsStatus
Entry
Status
NA NA NA
Table 25. RMON Additional Statistics (Sheet 2 of 2)
RMON Ethernet Statistics
Group 1 Statistics
Type
IXF1104 MAC-Equivalent
Statistics
Type
Definition of RMON
Versus
IXF1104 MAC
Documentation
NOTE: The RMON specification requires that this is, “The total number of events where packets were dropped
by the probe due to a lack of resources. This number is not necessarily the number of packets dropped;
it is the number of times this condition is detected." The “RX FIFO Overflow Frame Drop Counter Ports
0 - 3 ($0x594 – 0x597)" and “TX FIFO Overflow Frame Drop Counter Ports 0 - 3 ($0x621 – 0x624)" in
the IXF1104 MAC support this and increment when either an RX FIFO or TX FIFO overflows. If any
IXF1104 MAC programmable packet filtering is enabled, the “RX FIFO Errored Frame Drop Counter
Ports 0 - 3 ($0x5A2 - 0x5A5)" and “TX FIFO Errored Frame Drop Counter Ports 0 - 3 ($0x625 – 0x629)"
increment with every frame removed in addition to the existing frames counted due to FIFO overflow.