
Pools
BIG-IP® Reference Guide 4-13
To set the load balancing method to Dynamic Ratio
Create or modify the load balancing pool to which the server belongs to use
Dynamic Ratio load balancing:
b pool <pool_name> { lb_method dynamic_ratio <member definition>... }
Configuring Windows servers with WMI
For Windows, BIG-IP provides a Data Gathering Agent F5Isapi.dll for the
server. Configuring a Windows platform for Dynamic Ratio load balancing
consists of four tasks:
• Installing the Data Gathering Agent F5Isapi.dll on the server
• Configuring a wmi health check monitor on the BIG-IP
• Associating the health check monitor with the server to gather the
metrics
• Creating or modifying the server pool to use Dynamic Ratio load
balancing
To install the Data Gathering Agent (F5Isapi) on the server
1. Download the Data Gathering Agent (F5Isapi.dll) from the
BIG-IP. The plugin is located in /usr/contrib/f5/isapi. (The URL is
https://<bigip_address>/doc/isapi/f5isapi.dll.)
2. Copy f5isapi.dll to the directory C:\Inetpub\scripts.
3. Open the Internet Services Manager.
4. In the left pane of the Internet Services Manager, open the folder
<machine_name>\Default Web Site\Script, where
<machine_name> is the name of the server you are configuring.
The contents of Scripts folder opens in the right pane.
5. In the right pane, right click F5Isapi.dll and select Properties.
The Properties dialog box for F5Isapi.dll opens.
6. Deselect Logvisits. (Logging of each visit to the agent quickly fills
up the log files.)
7. Click the File Security tab.
The File Security options appears.
8. In the Anonymous access and authentication control group box,
click Edit.
The Authentication Methods dialog box opens.
9. In the Authentication methods dialog box, clear all check boxes,
then select Basic Authentication.
10. In the Authentication methods dialog box, click OK to accept the
changes.
11. In the Properties dialog box, click Apply.
12. The WMI Data Gathering Agent is now ready to be used.
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