User`s guide

MOP Counters
Table F–1 (Cont.) MOP Counter Block
V3 V4
Name Off Len Off Len Description
Rx_FRAMES 0A 4 20 8 Frames received. The total
number of frames successfully
received. These are frames that
passed hardware filtering. Provides
a gross measurement of incoming
Ethernet usage by the local system.
Provides information used to
determine the ratio of the error
counters to successful transmits.
Tx_FRAMES 0E 4 28 8 Frames sent. The total number
of frames successfully transmitted.
This does not include data link
generated retransmissions.
Provides a gross measurement
of outgoing Ethernet usage by the
local system. Provides information
used to determine the ratio of
the error counters to successful
transmits.
Rx_MCAST_BYTES 12 4 30 8 Multicast bytes received. The
total number of multicast data
bytes successfully received. This
does not include Ethernet data
link headers. This number is the
number of bytes in the Ethernet
data field. In conjunction with
total bytes received, provides a
measurement of the percentage of
this system’s receive bandwidth
(over time) that was consumed by
multicast frames addressed to the
local system.
Rx_MCAST_FRAMES 16 4 38 8 Multicast frames received.
The total number of multicast
frames successfully received. In
conjunction with total frames
received, provides a gross
percentage of the Ethernet usage
for multicast frames addressed to
this system.
(continued on next page)
MOP Counters F–3