Cisco NM-NAM= Datasheet download pdf (Page 72)

Network Analysis Module (NM-NAM)

show interfaces analysis-module

Cisco IOS Release: Multiple releases (see the Feature History Table)

5 minute input rate, 5 minute output rate Average number of bits and packets transmitted per

second in the last 5 minutes. If the interface is not in

promiscuous mode, it senses network traffic that it

sends and receives (rather than all network traffic).

The 5-minute input and output rates should be used

only as an approximation of traffic per second during

a given 5-minute period. These rates are

exponentially weighted averages with a time

constant of 5 minutes. A period of four time

constants must pass before the average will be

within 2 percent of the instantaneous rate of a

uniform stream of traffic over that period.

Note The 5-minute period referenced in this

output is a load interval that is configurable

under the interface. The default value is

5 minutes.

packets input Total number of error-free packets received by the

system.

bytes Total number of bytes, including data and MAC

encapsulation, in the error-free packets received by

the system.

no buffer Number of received packets discarded because there

was no buffer space in the main system. Compare

with ignored count. Broadcast storms on Ethernets

and bursts of noise on serial lines are often

responsible for no input buffer events.

Received...broadcasts Number of broadcasts received.

runts Number of packets that are discarded because they

are smaller than the minimum packet size of the

medium. For instance, any Ethernet packet that is

less than 64 bytes is considered a runt.

giants Number of packets that are discarded because they

exceed the maximum packet size of the medium. For

example, any Ethernet packet that is greater than

1518 bytes is considered a giant.

throttles Number of times that the interface requested another

interface within the router to slow down.

input errors Errors that include runts, giants, no buffer, cyclic

redundancy checksum (CRC), frame, overrun, and

ignored counts. Other input-related errors can also

cause the input errors count to be increased, and

some datagrams may have more than one error;

therefore, this sum may not balance with the sum of

enumerated input error counts.

Table 5 show interfaces analysis-module Field Descriptions (continued)

Field Description

1 2 ... 67 68 69 70 71 72 73 74 75 76

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