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HP Virtual Connect Flex-10 10Gb Ethernet Module for c-Class BladeSystem User Manual

Page 154

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Command line 154

Name

RFC

Description

rfc1757_StatsFragments

1757

The total number of packets received that were less than 64 octets in

length (excluding framing bits, but including FCS octets) and had either
a bad FCS with an integral number of octets (FCS Error) or a bad FCS

with a non-integral number of octets (Alignment Error).

It is entirely normal for etherStatsFragments to increment, because it
counts both runts (which are normal occurrences due to collisions) and

noise hits.

rfc1757_StatsJabbers

1757

The total number of packets received that were longer than 1518 octets

(excluding framing bits, but including FCS octets) and had either a bad
FCS with an integral number of octets (FCS Error) or a bad FCS with a

non-integral number of octets (Alignment Error).

This definition of jabber is different than the definition in IEEE-802.3
section 8.2.1.5 (10BASE5) and section 10.3.1.4 (10BASE2). These

documents define jabber as the condition where any packet exceeds

20 ms. The allowed range to detect jabber is between 20 ms and 150
ms.

rfc1757_StatsMulticastPkts 1757

The total number of good packets received that were directed to a

multicast address. This number does not include packets directed to the

broadcast address.

rfc1757_StatsOctets

1757

The total number of octets of data (including those in bad packets)
received on the network (excluding framing bits, but including FCS

octets).

This object can be used as a reasonable estimate of Ethernet utilization.
For greater precision, sample the etherStatsPkts and etherStatsOctets

objects before and after a common interval. The differences in the

sampled values are Pkts and Octets, respectively, and the number of
seconds in the interval is Interval. These values are used to calculate the

Utilization as follows:

Utilization = [Pkts * (9.6 + 6.4) + (Octets * .8)] / Interval * 10,000
The result of this equation is the value Utilization, which is the percent

utilization of the Ethernet segment on a scale of 0 to 100 percent.

rfc1757_StatsOversizePkts 1757

The total number of packets received that were longer than 1518 octets

(excluding framing bits, but including FCS octets) and were otherwise
well formed

rfc1757_StatsPkts

1757

The total number of packets (including bad packets, broadcast packets,

and multicast packets) received

rfc1757_StatsPkts1024to
1518Octets

1757

The total number of packets (including bad packets) received that were
between 1024 and 1518 octets in length inclusive (excluding framing

bits, but including FCS octets)

rfc1757_StatsPkts128to
255Octets

1757

The total number of packets (including bad packets) received that were

between 128 and 255 octets in length inclusive (excluding framing bits,
but including FCS octets)

rfc1757_StatsPkts256to
511Octets

1757

The total number of packets (including bad packets) received that were

between 256 and 511 octets in length inclusive (excluding framing bits,

but including FCS octets)

rfc1757_StatsPkts512to

1023Octets

1757

The total number of packets (including bad packets) received that were

between 512 and 1023 octets in length inclusive (excluding framing

bits, but including FCS octets)

rfc1757_StatsPkts64Octets 1757

The total number of packets (including bad packets) received that were
64 octets in length (excluding framing bits, but including FCS octets)