Dell PowerConnect W-Airwave 7.2 Manual de usuario Pagina 184

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184 | Performing Daily Administration in AWMS Dell PowerConnect W AirWave 7.2 | User Guide
Setting Triggers for Devices
Perform the following steps to configure device-related triggers.
a. Choose a device type from the Devices listed in the Type drop-down menu. See Figure 126. Table 104
itemizes and describes device trigger options and condition settings.
b. Repeat this procedure for as many triggers and conditions as desired. Refer to the start of “Creating New
Triggers” on page181 to create a new trigger.
Setting Triggers for Radios
Perform the following steps to configure radio-related triggers.
a. Choose a trigger type from the Radios category, listed in the Type drop-down menu. Table 105 itemizes
and describes the radio trigger types and condition settings.
Table 104 Device Trigger Types
Option Description
Device Down This is the default type whenever configuring a new trigger. This type of trigger activates when an
authorized, monitored AP has failed to respond to SNMP queries from AWMS.
To set the conditions for this trigger type, select Add in the Conditions section. Complete the conditions with
the Option, Condition, and Value drop-down menus. The conditions establish the device type. Multiple
conditions can apply to this type of trigger. The Device Down trigger can be configured to send alerts for
thin APs when the controller is down; this behavior is turned off by default.
Device Up This trigger type activates when an authorized, previously down AP is now responding to SNMP queries. To
set the conditions for this trigger type, select Add in the Conditions section.
Configuration
Mismatch
This trigger type activates when the actual configuration on the AP does not match the defined
Group
configuration policy.
To set the conditions for this trigger type, select Add in the Conditions section.
Device User
Count
Activates when a device reaches a user-count threshold for more than a specified period (such as more
than 10 users associated for more than 60 seconds).
Device
Bandwidth
Activates when the total bandwidth through the device has exceeded a predefined threshold for more than
a specified period (such as more than 1500kbps for more than 120 seconds). You can also select bandwidth
direction and page/radio. Selecting this type displays the following new fields in the Type section. Define
these settings.
Alert if Device Bandwidth >= (kbps)—This threshold establishes a device-specific bandwidth policy, not
a bandwidth policy on the network as a whole.
Bandwidth Direction—Choose In, Out, or Combined. This bandwidth is monitored on the device itself,
not on the network as a whole.
Device Resources This type of trigger indicates that the CPU or memory utilization for a device (including router or switch) has
exceeded a defined percentage for a specified period of time.
Table 105 Radio-Related Trigger Types
Radio Trigger Options Description
Radio Down Indicates that a device’s radio is down on the network. Once you choose this trigger type, select Add
New Trigger Condition to create at least one condition. This type requires that a radio capability be set
as a condition. The Value drop-down menu supports several condition options.
802.11 Frame Counters Enables monitoring of traffic levels. There are multiple rate-related parameters for which you define
conditions including ACK Failures, Retry Rate, and Rx Fragment Rate. See the Option drop-down menu
in the Conditions section of the trigger page for a complete list of parameters. Select Add New Trigger
Condition to access these settings. Define at least one condition for this trigger type.
802.11 QoS Counters Enables monitoring of Quality of Service (QoS) parameters on the network, according to traffic type.
The rate of different parameters includes ACK Failures, Duplicated Frames and Transmitted
Fragments. See the drop-down field menu in the conditions section of the trigger page for a complete
list of parameters. Select Add New Trigger Condition to access these settings. Define at least one
condition for this trigger type.
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