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An Overload Profile specifies a set of congestion thresholds
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and congestion durations you can assign to a particular machine congestion (MC) level. When the "set" threshold for the profile assigned to a particular congestion level is exceeded for the "set" duration, the congestion level is raised to a higher level
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and overload controls are applied to help alleviate the congestion. The profile also specifies "clear" congestion thresholds and durations.
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The clear values specify the level to which congestion conditions must fall for the specified duration in order to return to the previous congestion level. These minimum clear durations prevent repeatedly switching in and out of congestion levels. You may
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assign Overload Profiles to the system (
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that apply throughout the
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- CPU utilization
- Memory utilization
The following default Overload Profiles are
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automatically assigned to define thresholds and duration to system congestion levels 1-3 (MC1, MC2, and MC3):
- defaultMC1
- defaultMC2
- defaultMC3
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In order to change its configuration, you must first disable an Overload Profile
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. Then, when you enable the profile, you cause all
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its parameter values to be validated. Once validated, these values are applied to the (system) congestion level
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to which you assign the profile. When you make a change in this manner, the system congestion level is cleared if the Overload Profile was being referenced. Standby modules also perform congestion processing but you cannot configure the module settings.
To View Overload
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Profiles
On the SBC main screen, go to Configuration > Profile Management > Category: System Profiles > Overload Profile.
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The Overload Profile window is displayed.
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Enable or Disable Overload
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Profiles
To
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enable or disable any of the Overload
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Profiles in the list, click the radio button next to the specific Overload Profile name.
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The Edit Selected Overload Profile window is displayed
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Use the following table to make the required
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change and click Save at the right hand bottom of the
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To Create Overload Profile
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The Create New Overload Profile window is displayed.
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defaultMC1defaultMC2defaultMC3
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To Copy Overload Profile
To copy any of the created Overload Profile and to make any minor changes, click the radio button next to the specific Overload Profile to highlight the row.
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Click Copy Overload Profile tab on the Overload Profile List panel.
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After you disable an Overload Profile object, you can use the windows positioned below the Overload Profile window to set the specific values for set/clear thresholds and set/clear duration for the profile. See the following pages for more information:
- Overload Profile - Clear Duration
- Overload Profile - Clear Threshold
- Overload Profile - Set Duration
- Overload Profile - Set Threshold
To Create an Overload Profile
To create a new Overload Profile, click New Overload Profile on the Overload Profile List panel. The Create New Overload Profile window is displayed.
Caption 0 Figure 1 Profile Management - System Profiles - Overload Profile
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Create Window
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- Use the following table to configure the options then click Save to create the profile.
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Use this parameter to specify CPU and memory Set Threshold for a monitored resource.
cpu– CPU utilization percentage threshold at which the congestion level is set. (range: 0-100 / default = 85. A value of 0 disables CPU utilization as a congestion criterion.
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Use this parameter to specify CPU and memory Clear Threshold for a monitored resource.
cpu– CPU utilization percentage threshold at which a congestion level is set or cleared. The clear threshold must be less than or equal to the set threshold. (range: 0-100 / default = 80).
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Use this parameter to specify CPU and memory Set Duration for a monitored resource.
cpu– Length of time (in seconds) that CPU utilization percentage is above its set threshold before congestion level is set. (range: 0-65535 / default = 10). A value of zero sets the congestion level immediately.
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Clear Duration
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Use this parameter to specify CPU and memory Clear Duration for a monitored resource.
cpu-Length of time (in seconds) that CPU utilization percentage must be below its clear threshold before congestion level clears. A value of zero clears the congestion level immediately. (range: 0-65535 / default = 10).
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Static Mode
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Use this object to define the call accept percentage rate.
acceptPercentage– The rate (as percentage) to accept calls for the specified congestion level. (range: 0-100 / default = 100). A value of 0 rejects all calls. A value of 100 accepts all calls.
After you create the Overload Profile object, use the windows positioned below the Overload Profile window to set the specific values for set/clear thresholds and set/clear duration for the profile. See the following pages for more information:
- Overload Profile - Clear Duration
- Overload Profile - Clear Threshold
- Overload Profile - Set Duration
- Overload Profile - Set Threshold
To Copy an Overload Profile
- To copy an Overload Profile, click the adjacent radio button.
- Click Copy Overload Profile tab on the Overload Profile List panel. The Copy Selected Overload Profile window is displayed.
- Make any required changes and click Save.
To Delete an Overload Profile
- To delete an Overload Profile, click the adjacent radio button.
- Click the delete icon (X) at the end of the row.
- Confirm the deletion when prompted.
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Make the required changes to the required fields and click Save to save the changes. The copied Overload Profile is displayed at the bottom of the original Overload Profile in the Overload Profile List panel.
To Delete Overload Profile
To delete any of the created Overload Profile, click the radio button next to the specific Overload Profile which you want to delete.
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Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.
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