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 The

An Overload Profile specifies a set of congestion thresholds

, congestion durations, and overload controls. When a particular threshold is exceeded for a particular duration for any of the call processing related processes

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

and the overload control is

and overload controls are applied to help alleviate the congestion. The profile also specifies "clear" congestion thresholds and durations.

These values require that the overload conditions fall below their configured clear threshold values for a specific

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

assign an Overload Profile

assign Overload Profiles to the system (

and apply it throughout the

that apply throughout the 

Spacevars
0product
).

You may specify and manage the following congestion criteria through this facility:

  • CPU utilization
  • Memory utilization

The following default Overload Profiles are

automatically created for system

automatically assigned to define thresholds and duration to system congestion levels 1-3 (MC1, MC2, and MC3):

  • defaultMC1
  • defaultMC2
  • defaultMC3
You must disable an Overload Profile in
  •  
Info
titleNote:

For SBC SWe deployments, the preceding three default profiles are assigned automatically to MC1, MC2, and MC3 when a standard or custom traffic profile is activated. For SWe deployments in which the default traffic profile is activated, a separate set of overload profiles is provided and mapped to MC1, MC2, and MC3 automatically:

  • sweOverloadProfileMC1
  • sweOverloadProfileMC2
  • sweOverloadProfileMC3

In order to change its configuration, you must first disable an Overload Profile. Then, when you enable the profile, you cause all

the

its parameter values to be validated. Once validated, these values are applied to the (system) congestion level

that references

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

Profile

Profiles

On the SBC main screen, go to Configuration > Profile Management > Category: System Profiles >  Overload Profile. The Overload Profile window is displayed.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile

 Image Modified

To

Edit

Enable or Disable Overload

Profile

Profiles

To

edit

enable or disable any of the Overload

Profile

Profiles in the list, click the radio button next to the specific Overload Profile name.

Caption
0Figure
1

Profile Management - System Profiles -

Overload Profile

Highlighted

Window

Image Modified

The Edit Selected Overload Profile window is displayed below.

Caption
0Figure
1

Profile Management - System Profiles -

Edit Selected Overload Profile

Edit

Window

Image Modified

 

Use the following table to make Make the required changes change and click Save at the right hand bottom of the panel to save the changes made.

To Create Overload Profile

To create a new Overload Profile, click New Overload Profile tab on the Overload Profile List panel.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile Fields

Image Removed

The Create New Overload Profile window is displayed.

Caption
Caption
0Figure
1Profile Management - System Profiles - Overload Profile Create Window

Image Removed

The following fields are displayed:

0Table
1Edit Selected Overload Profile Parameters
ParameterDescription
Name

Overload Profile name.

Use the following default profiles to create custom profiles:
  • defaultMC1
  • defaultMC2
  • defaultMC3

The name cannot be changed.

State

Administrative state of the Overload

profile–

Profile.

disabled
  • Disabled (default) – Set to "
disabled
  • Disabled" to change parameter values. While disabled, congestion processing continues to use the previous profile values.
enabled
  • Enabled – Set to "
enabled
  • Enabled" to allow this profile to be referenced by a system congestion level whereby all parameter values are validated.

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.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile Highlighted

 Image Removed

Click Copy Overload Profile tab on the Overload Profile List panel.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile Fields

 Image Removed

The Copy Selected Overload Profile window is displayed along with the field details which can be edited

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:

To Create an Overload Profile

  1. 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
    0Figure
    1Profile Management - System Profiles - Overload Profile
Copy
  1. Create Window

 Image Removed

  1. Image Added

  2. Use the following table to configure the options then click Save to create the profile.
The following fields are displayed:
Caption
0Table
1Overload Profile parameters Parameters
state– disabled disabledenabled enabled
ParameterDescription
Name

Overload Profile name. Use the following default profiles to create custom profiles:

  • defaultMC1
  • defaultMC2
  • defaultMC3
State

Administrative state of the Overload profile.

  • Disabled (default) – Set to "
  • Disabled" to change parameter values. While disabled, congestion processing continues to use the previous profile values.
  • Enabled – Set to "
  • Enabled" to allow this profile to be referenced by a system congestion level whereby all parameter values are validated.
Set Threshold

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.
Clear Threshold

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).
Set Duration

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.

Clear Duration

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).

Static Mode

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.

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.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile Highlighted

 Image Removed

Click Delete at the end of the highlighted row. A delete confirmation message appears seeking your decision.

Caption
0Figure
1Profile Management - System Profiles - Overload Profile Delete Confirmation

Image Removed

Click Yes to remove the specific Overload Profile from the list

 

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:

 

To Copy an Overload Profile

  1. To copy an Overload Profile, click the adjacent radio button.
  2. Click Copy Overload Profile tab on the Overload Profile List panel. The Copy Selected Overload Profile window is displayed.
  3. Make any required changes and click Save.

To Delete an Overload Profile

  1. To delete an Overload Profile, click the adjacent radio button.
  2. Click the X at the end of the row.
  3. Confirm the deletion when prompted.

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