How to Manually Specify Target Systems for Probe-Based Failure Detection

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The following procedure describes how to add specific targets if you are using test addresses to implement probe-based failure detection.

Before You Begin

Make sure that your probe targets meet the requirements that are listed in Requirements for Choosing Targets for Probe-based Failure Detection.

Ensure that your role has the appropriate rights profile to perform this procedure. See Using Rights Profiles to Perform Network Configuration.

Log in with your user account to the system on which you are configuring probe-based failure detection.
Add a route to the particular system that is to be used as a target in probe-based failure detection.
```
$ route -p add -host destination-IP gateway-IP -static
```
destination-IP and gateway-IP are IPv4 addresses of the system to be used as a target. For example, you would type the following command to specify the target system 192.0.2.8/27, which is on the same subnet as the interfaces in IPMP group, ipmp0:
```
$ route -p add -host 192.0.2.8/27 192.0.2.8/27 -static
```
This new route will be automatically configured every time the system is restarted. If you only want to define a temporary route to a target system for probe-based failure detection, then do not use the –p option.
Add routes to additional hosts on the network that are to be used as target systems.