Cabletron-systems 2000 User Manual download pdf (Page 102)

Alarm Conﬁguration

3-4 Basic Alarm Conﬁguration

When the window is Þrst launched, no interfaces will be selected, and the Apply,

Disable, and View Log buttons will be grayed out: the Apply and Disable

buttons will activate when an interface is selected; the View Log button will

activate when an interface which has experienced an alarm event is selected. The

presence of an event log is indicated by the double greater-than sign (>>)

displayed to the left of the threshold value that was crossed.

Viewing Alarm Status

The Basic Alarm ConÞguration window contains all the Þelds you need to

conÞgure one or more of the three basic alarms available for each interface

installed in your RMON device:

Kilobits — Total Errors — Broadcasts/Multicasts

Use these Þelds at the top of the window to change the alarm type whose status is

displayed in the list box. For example, if the Kilobits option is selected, the

information in the list box pertains to the status of the Kilobits alarm type for each

installed interface. Before you conÞgure an alarm or alarms, be sure the

appropriate option is selected here.

The available alarm variables are:

¥ Kilobits (ifInOctets) Ñ tracks the number of octets of data received by the

selected interface. Note that this value has been converted for you from octets

(or bytes) to kilobits (or units of 125 bytes); be sure to enter your thresholds

accordingly. For example, to set a rising threshold of 1250 octets, enter a

threshold value of 10; to set a falling threshold of 625 octets, enter a threshold

value of 5.

¥ Total Errors (ifInErrors) Ñ tracks the number of error packets received by the

selected interface.

¥ Broadcast/Multicast (ifInNUcast) Ñ tracks the number of non-unicast Ñ that

is, broadcast or multicast Ñ packets received by the selected interface.

Port Number

Provides a sequential indexing of the interfaces installed in your RMON device.

TIP

You can also access the Alarms function Ñ and the rest of the RMON functionality Ñ by

selecting the RMON option from the Chassis View Utilities menu.

TIP

Note that the three pre-selected alarm variables are all MIB II variables; this allows you to

conÞgure alarms for any installed interface Ñ even those for which no speciÞc RMON

statistics yet exist.

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Cabletron-systems 2000 User Manual Page 102