Overview

 

This article provides detailed information regarding Exinda CLI command aps. 

You can use the aps command to create and manage Application Performance Score (APS) objects. You can baseline (used by monitors and performance reports to establish a standard by which subsequent performance can be measured) the application traffic to automatically set the metric thresholds.

You can also create an alert to notify you when an APS score drops below a configurable threshold. For more information, refer to Monitoring application performance on the network.

 

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Information

 

 

Configuring Application Performance Score Objects

 

Action Description	Command	Parameter Description
To create a new APS object for a specified application	aps <name> application <application>	Not Applicable
To delete an APS object	no aps <name>	Not Applicable
To filter the traffic that will be included in the APS calculation to a specific subnet or application server	aps <name> network-object {internal|external} <network-object-name>	<network-object-name> - The name of a defined network object. internal - Use the named network object that is marked as internal. external - Use the named network object that is marked as external.
To specify whether the application is a transactional or non-transactional protocol	[no] aps <name> non-trans-protocol	Note: Protocols that send information between the client and server at arbitrary times are non-transactional, such as Citrix XenApp servers and Microsoft Remote Desktop.

 

Setting the APS Thresholds

Several metrics can be used in the application performance score calculation. Thresholds for at least one of these metrics must be set, as the score is calculated by comparing the observed traffic to the set threshold. You can either have the system calculate thresholds based on observed traffic, or you can manually set your desired thresholds.

 

Action Description	Command	Parameter Description
To specify the length of time for used for the baseline	aps <name> baseline period <seconds>	period <seconds> - Acceptable values are 3600 seconds (1 hour), 86400 seconds (1 day), 604800 seconds (1 week).
To start or stop the baselining operation for an APS	[no] aps <name> baseline enable	Not Applicable
To set the APS metric threshold values	aps <name> metric {network-delay|network-jitter|network-loss|norm-network-delay|norm-server-delay|round-trip-time|server-delay} threshold <value>	network-delay threshold <duration (ms)> - Set the network delay threshold (ms) network-jitter threshold <duration (ms)> - Set the network-jitter threshold (ms) network-loss threshold <percent> - Set the network loss threshold in percentage. This is the amount of retransmitted packets (inbound or outbound) norm-network-delay threshold <duration (ms/kb)> - Set the normalized network delay threshold (ms/kb) norm-server-delay threshold <duration (ms/kb)> - Set the normalized server delay threshold (ms) round-trip-time threshold <duration (ms)> - Set the round trip time threshold (ms)

 

Configuring APS Alerts

Alerts can be created (as SNMP or E-Mail) that will trigger when the aps value falls below a configured value for a specified duration. For example, if the application performance score drops below 7 and stays below 7 for 30 minutes, send an alert.

 

Action Description	Command	Parameter Description
To set the threshold at which the alarm should trigger	aps <name> alert threshold <aps-threshold>	threshold <aps-threshold> - This is a value in the range [0-10].
To set the duration (in seconds) for which the APS value needs to remain below the set threshold before the alert is triggered	aps <name> alert delay {60,300,1800,3600,86400}	delay {60,300,1800,3600,86400} - The values are in seconds (1 minute, 5 minutes, 30 minutes, 1 hour, and 1 day).
To enable or disable the alarm	[no] aps <name> alert enable	Not Applicable

 

Viewing APS Alerts

 

Action Description	Command
To show all APS objects	show aps
To show details of a specific APS object	show aps <name>

 

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