HP Virtual Connect Flex-10 10Gb Ethernet Module for c-Class BladeSystem - Manual (Page 153)

Command line 153
Name RFC Description
rfc1213_IpInHdrErrors 1213 The number of input datagrams discarded due to errors in the IP
header. Possible errors include bad checksums, version number
mismatches, format errors, time-to-live exceeded, errors discovered
while processing IP options, and so on.
rfc1213_IpInReceives 1213 The total number of input datagrams received from interfaces, including
datagrams received in error
rfc1493_Dot1dBasePort
DelayExceededDiscards
1493 The number of frames discarded by this port due to an excessive transit
delay through the bridge (incremented by both transparent and source
route bridges)
rfc1213_Dot1dBasePort
MtuExceededDiscards 1493 The number of frames discarded by this port due to excessive size
(incremented by both transparent and source route bridges)
rfc1213_Dot1dPortIn
Discards
1493 The number of valid frames received that were discarded (filtered) by
the Forwarding Process
rfc1213_Dot1dTpPortIn
Frames 1493 The number of frames received by this port from its segment. A frame
received on the interface that corresponds to this port is only counted by
this object if it is for a protocol being processed by the local bridging
function, including bridge management frames.
rfc1757_StatsBroadcast
Pkts 1757 The number of good packets received during the sampling interval that
were directed to the broadcast address
rfc1757_StatsCRCAlign
Errors
1757 The total number of packets received with a length of between 64 and
1518 octets (excluding framing bits, but including FCS octets),
inclusive, but had either a bad FCS with an integral number of octets
(FCS Error) or a bad FCS with a nonintegral number of octets
(Alignment Error).
rfc1757_StatsCollisions 1757 The best estimate of the total number of collisions in this Ethernet
segment. The value returned depends on the location of the RMON
probe. Section 8.2.1.3 (10BASE-5) and section 10.3.1.3 (10BASE-2)
of IEEE standard 802.3 states that a station must detect a collision, in
the receive mode, if three or more stations are transmitting
simultaneously. A repeater port must detect a collision when two or
more stations are transmitting simultaneously. Therefore, a probe
placed on a repeater port could record more collisions than a probe
connected to a station on the same segment.
Probe location plays a smaller role for 10BASE-T. Section 14.2.1.4
(10BASE-T) of IEEE standard 802.3 defines a collision as the
simultaneous presence of signals on the DO and RD circuits
(transmitting and receiving at the same time). A 10BASE-T station can
only detect collisions when it is transmitting. Therefore, probes placed
on a station and a repeater should report the same number of collisions.
An RMON probe inside a repeater should ideally report collisions
between the repeater and one or more other hosts (transmit collisions as
defined by IEEE 802.3k) plus receiver collisions observed on any coax
segments to which the repeater is connected.
rfc1757_StatsDropEvents 1757 The total number of events in which packets were dropped by the probe
due to a lack of resources. This represents the number of times the
condition was detected, which does not necessarily equal the number
of dropped packets.