# Installing the NMS subagents and multiplexer

Once the SNMP master agent is working properly, install Natural Access, which installs the NMS subagents and the NMS SNMP multiplexer. For information about installing Natural Access, refer to the Natural Access installation booklet.

When you have installed the NMS subagents and multiplexer, modify the IP/UDP port used by the SNMP master agent.

## Modifying the Windows registry

Under Windows, Natural Access automatically registers all installed components in the registry. When Natural Access is uninstalled, the components are automatically removed from the registry.

You can manually add or remove components from the registry. To do so, access a command prompt and enter the following command:

component_name directive

where:

component_name is the name of the component to add. component_name can be any of the following:

Value | Description
--- | ---
mux | NMS multiplexer
chassisAgent | Chassis MIB agent
ds1Agent | Trunk MIB agent
oamAgent | OAM database MIB agent
softRevAgent | Software revision MIB agent
rtpAgent | RTP MIB agent (installed with Fusion package)

directive indicates whether to install or remove the component. directive can be either of the following:

Option | Description
--- | ---
-I | Install the component
-U | Uninstall the component

For example, to remove the Chassis MIB agent from the registry, enter:

chassisAgent -U