Number of Active Servers
About
Number of Active Servers Condition is a traffic manipulation tool to manipulate HTTP requests incoming to the vService based on the Number of Active Backend Server(s).
How to Add?
To add a Number of Active Servers condition from TR7 ASP web interface, "Traffic Manager > Traffic Manipulation > Conditions > Add" steps are followed. At the current page Number of Active Servers is selected as a Criteria and the following form is shown.
Interface
Number of Active Servers Form
- Condition Name (Optional)
Name for the condition is entered. If no name is given to the condition Condition Description will be visible in the TR7 ASP interface to represent the added condition.
- Criteria
Number of Active Servers is selected.
- Operator
Less Than operator can be selected to trigger the condition when the inspection criterion is less than the given value.
Equals To operator can be selected to trigger the condition when the inspection criterion is equal to the given value.
Greater Than operator can be selected to trigger the condition when the inspection criterion is greater than the given value.
Range operator can be selected to trigger the condition when the inspection criterion is in the given interval.
- Condition Description
Condition description is generated automatically depending on the configuration.
- Form Buttons
Add button can be clicked to add the configured condition.
Add & Repeat button can be clicked to add the configured condition. With this option, new conditions with different configurations can be added without leaving the current tab. Following alert is given when the button is clicked.
- Example Usage
When the Number of Active Servers condition is created as below and added to the Show Content action as a condition, a desired content page is shown to the client when no Backend Services are accessible in the vService.
