ADC Telecommunications, Inc.
372 CHAPTER 18: CONFIGURING CABLE MODEM TERMINATION SYSTEMS
Understanding MAC Interface Statistics
MAC interface statistics are displayed as part of the show interface cable
<c/s/i> mac display, as shown in the previous section. Table 18-1 provides a

brief description for each MAC statistic.

Table18-1 CMTS MAC Interface Statistics
Statistic Description
In Octets Ag gregate number of bytes received
on all upstream channels.
In Unicast Packets Aggregate number of unicast packets
received on all upstream channels.
In Multicast Packets Aggregate number of multicast
packets received on all upstream
channels.
In Broadcast Packets Aggregate number of broadcast
packets received on all upstream
channels.
In Errors Aggregate number of error packets
received on all upstream channels.
In Discards Aggregate number of discard packets
received on all upstream channels.
Out Octets Number of bytes transmitted from the
downstream channel.
Out Unicast Packets Displa ys the number of unicast packets
transmitted from the downstream
channel.
Out Multicast Packets Number of multicast packets
transmitted from the downstream
channel.
Out Broadcast Packets Number of broadcast packets
transmitted from the downstream
channel.
Out Errors Aggregate number of error packets
transmitted from the downstream
channel.
Out Discards Aggregate number of packets
discarded on the downstream channel.