PRTG Manual: SNMP Cisco CBQoS Sensor
The SNMP Cisco CBQoS sensor monitors network parameters using Cisco's Class Based Quality of Service (CBQoS) via the Simple Network Management Protocol (SNMP).
The sensor supports the classes Class Map, Match Statement, and Queueing.
For a detailed list and descriptions of the channels that this sensor can show, see section Channel List.
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- This sensor only supports IPv4.
- This sensor has a very low performance impact.
Setting |
Description |
---|---|
Sensor Name |
Enter a name to identify the sensor. By default, PRTG shows this name in the device tree, as well as in alarms, logs, notifications, reports, maps, libraries, and tickets.
|
Parent Tags |
The tags that the sensor inherits from its parent device, parent group, and parent probe.
|
Tags |
Enter one or more tags. Confirm each tag with the Spacebar key, a comma, or the Enter key. You can use tags to group objects and use tag-filtered views later on. Tags are not case-sensitive. Tags are automatically inherited.
The sensor has the following default tags that are automatically predefined in the sensor's settings when you add the sensor:
|
Priority |
Select a priority for the sensor. This setting determines the position of the sensor in lists. The highest priority is at the top of a list. Choose from the lowest priority ( |
Setting |
Description |
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Object Type |
The object type of the parameter that this sensor monitors. |
Interface |
The interface of the parameter that this sensor monitors. |
Description |
The description of the parameter that this sensor monitors. |
BitMask |
The number of available channels for the parameter that this sensor monitors. |
ObjectID |
The ObjectID of the parameter that this sensor monitors. |
ConfigID |
The ConfigID of the parameter that this sensor monitors. |
Setting |
Description |
---|---|
Primary Channel |
Select a channel from the list to define it as the primary channel. In the device tree, the last value of the primary channel is always displayed below the sensor's name. The available options depend on what channels are available for this sensor.
|
Graph Type |
Define how different channels are shown for this sensor:
|
Stack Unit |
This setting is only visible if you select Stack channels on top of each other above. Select a unit from the list. All channels with this unit are stacked on top of each other. By default, you cannot exclude single channels from stacking if they use the selected unit. However, there is an advanced procedure to do so. |
By default, all of these settings are inherited from objects that are higher in the hierarchy. We recommend that you change them centrally in the root group settings if necessary. To change a setting for this object only, click under the corresponding setting name to disable the inheritance and to display its options.
For more information, see section Inheritance of Settings.
For more information, see section Root Group Settings, section Scanning Interval.
Schedules, Dependencies, and Maintenance Window
You cannot interrupt the inheritance for schedules, dependencies, and maintenance windows. The corresponding settings from the parent objects are always active. However, you can define additional schedules, dependencies, and maintenance windows. They are active at the same time as the parent objects' settings.
For more information, see section Root Group Settings, section Schedules, Dependencies, and Maintenance Window.
For more information, see section Root Group Settings, section Access Rights.
Which channels the sensor actually shows might depend on the target device, the available components, and the sensor setup.
Channel |
Description |
---|---|
Current Queue Depth |
The current queue depth |
Downtime |
In the channel table on the Overview tab, this channel never shows any values. PRTG uses this channel in graphs and reports to show the amount of time in which the sensor was in the Down status |
Drop Packets |
The number of drop packets |
Drop Size |
The drop size |
Maximum Queue Depth |
The maximum queue depth |
No Buffer Drop Packets |
The number of drop packets without buffer |
Post Policy Size |
The post policy size |
Pre Policy Packets |
The number of pre-policy packets |
Pre Policy Size |
The pre-policy size |
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