Cisco ONS 15454 SDH Specifications Page 400

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Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 9 Ethernet Operation
Remote Monitoring Specification Alarm Thresholds
Procedure: Creating Ethernet RMON Alarm Thresholds
Step 1 Display the CTC node view.
Step 2 Click the Provisioning > Etherbridge > Thresholds tabs.
Step 3 Click Create.
The Create Ether Threshold dialog box opens.
Figure 9-39 Creating RMON thresholds
Step 4
From the Slot menu, choose the appropriate Ethernet card.
Step 5 From the Port menu, choose the Port on the Ethernet card.
Step 6 From the Variable menu, choose the variable. Table 9-15 lists and defines the Ethernet Threshold
Variables available in this field.
Step 7 From Alarm Type, indicate whether the event will be triggered by the rising threshold, falling threshold,
or both the rising and falling thresholds.
Step 8 From the Sample Type pull-down menu, choose either Relative or Absolute. Relative restricts the
threshold to use the number of occurrences in the user-set sample period. Absolute sets the threshold to
use the total number of occurrences, regardless of any time period.
Step 9 Type in an appropriate number of seconds for the Sample Period.
Step 10 Type in the appropriate number of occurrences for the Rising Threshold.
Note For a rising type of alarm to fire, the measured value must shoot from below the falling threshold
to above the rising threshold. For example, if a network is running below a falling threshold of
400 collisions every 15 seconds and a problem causes 1001 collisions in 15 seconds, these
occurrences fire an alarm.
txTotalPkts Total number of transmit packets
rxTotalPkts Total number of receive packets
Table 9-15 Ethernet Threshold Variables (MIBs) (continued)
Variable Definition
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