•The second phase configures the redirection policies instructing the controller how to redirect the different types of traffic to different server groups.

•The final phase configures the ESI syslog parser domains and the rules that interpret and act on syslog message contents.

NOTE: The procedures shown in the following sections are general descriptions. Your application might be broader or narrower

than this example, but the same general operations apply.

Configuring Health-Check Method, Groups, and Servers

To configure the ESI health-check method, servers, and server groups, navigate to the Configuration > Advanced Services > External Services view on the WebUI.

In the WebUI

To configure a health check profile:

1.Navigate to the Configuration > Advanced Services > External Services page on the WebUI.

2.Click Add in the Health Check Configuration section. (To change an existing profile, click Edit.)

3.Provide the following details:

a.Enter a Profile Name.

b.Frequency (secs)—Indicates how often the controller checks to see if the server is up and running. Default: 5 seconds.

c.Timeout (secs)—Indicates the number of seconds the controller waits for a response to its health check query before marking the health check as failed. Default: 2 seconds.

d.Retry count—Is the number of failed health checks after which the controller marks the server as being down. Default: 2.

4.Click Done when you are finished.

5.Click Apply to apply the configuration changes.

In the CLI

Use these CLI commands to configure a health-check method:

esi ping profile_name

frequency seconds retry-count count timeout seconds

For example:

esi ping default frequency 5 retry-count 2

Defining the ESI Server

The following sections describe how to configure an ESI server using the WebUI and CLI.

In the WebUI

To configure an ESI server:

1.Navigate to the Configuration > Advanced Services > External Services page on the WebUI.

2.Click Add in the External Servers section.

753 External Services Interface

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