Cisco Catalyst 2960 Series, Руководство по настройке

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Specifies a type of operation to be applied to the
object ID specified by the entry-val argument.
Value is defined as the actual value of the entry-val
argument.
Increment uses the entry-val field as an incremental
difference and the entry-valis compared with the
difference between the current counter value and the
value when the event was last triggered (or the first
polled sample if this is a new event). A negative value
checks the incremental difference for a counter that
is decreasing.
Rate is defined as the average rate of change over a
period of time. The time period is the average-factor
value multiplied by the poll-interval value. At each
poll interval the difference between the current sample
and the previous sample is taken and recorded as an
absolute value. An average of the previous
average-factor value samples is taken to be the rate
of change.
entry-type
(Optional) Exit combination operator used to indicate
the combination of exit condition tests required to
decide if the exit criteria are met so that the event
monitoring can be reenabled. If it is "and," both exit
value and exit time tests must be passed to meet the
exit criteria. If it is "or," either exit value or exit time
tests can be passed to meet the exit criteria. When
exit_comb is "and," exit_op, and exit_val (exit_time)
must exist. When exit_comb is "or," (exit_op and
exit_val) or (exit_time) must exist. exit_comb
(Optional) Exit comparison operator used to compare
the current oid data value with the exit value; if true,
event monitoring for this event will be reenabled. exit_op
(Optional) Value with which the current oid data
value should be compared to decide if the exit criteria
are met. exit_val
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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event_register_snmp