Unisys ATS and NAS Servers

Considerations When Installing ATS/NAS Software

Create an entry in the file SystemFolder\drivers\etc\hosts, in the name server (DNS), or in the WINS server for each ATS or NAS using the format

internet-number         network-name

where the network-name is the name of the ATS or NAS that was specified in Operations Sentinel Console as the Network Name of a managed UNIX or Linux system or as the Host in a serial or modem template in an alert policy.

When the ATS or NAS software is installed, a new user logon is created for the ATS Network Administrator (atsna). To complete the port configuration, you must log on with this atsna user-id. Detailed directions for this procedure are given in the ATS Network Administrators Guide. Command help is given with the help or ? command.

When connecting to a managed system through an ATS or NAS, Operations Sentinel is not directly involved in the establishment and use of the serial communication parameters between the ATS or NAS and the console port of the managed system. However, they still must match for the ATS or NAS to communicate with your console port of the managed system.

To ensure that the ATS or NAS can properly communicate with your system, you must compare the values defined for your console port of the managed system for baud rate, character size, parity, and stop bits with the corresponding values on the ATS or NAS port to make sure they match.

Configuring an ATS or NAS Port

This procedure summarizes the steps for configuring a port to connect to a managed system. To configure a port for external alerts, perform the following steps:

Log on with atsna as the user-id.
You are now the ATS or NAS Network Administrator.
Select the ATS or NAS with which you want to communicate:
```
ats name
```
where name is the network name given to the ATS or NAS in the systems file.
Display the current parameters for the selected ATS or NAS:
```
show ats
```
Select the port you want to configure:
```
port port
```
where port is the number of the port.
Display the numeric parameters of the selected port:
```
show port
```

Set the port options with the command

set port option setting

where you select the values of option and setting from the following list:

Option	Setting
mode	slave (default = cli)
allow_broadcast	N (default = Y)
forwarding_count	1 (default = 0)

For example:

set port mode slave

Set the speed, data bits, stop bits, and parity to match the characteristics of the console with which you are communicating. These parameters were listed when you entered the show port command in step 5.
When all the changes are made, use the reset command to apply the changes.

Add an Entry for Each Port to Services File

To access an ATS or NAS for managing a UNIX or Linux system across a router that is on a different LAN segment from the Operations Sentinel server, you must establish a gateways file on the Operations Sentinel server where the ATS or NAS software is running. This procedure is explained in the ATS Network Administrators Guide. Follow the instructions and examples carefully when setting up your gateway information, since missing information or errors may be discarded without a diagnostic.