Console Server & Router User Manual 209
 Enter the Host Name and the Nagios Host Address (i.e. IP address) that the central Nagios server will use to
contact the distributed Opengear console server
 Enter the IP address that the distributed Opengear console server will use to contact the central Nagios server in
Nagios Server Address
 Enter the IP address that the clients running SDT Connector will use to connect through the distributed Opengear
servers in SDT Gateway address
 Check Prefer NRPE, NRPE Enabled and NRPE Command Arguments
 Check NSCA Enabled, choose an NSCA Encryption Method and enter and confirm an NSCA Secret.
Remember these details as you will need them later on. For NSCA Interval, enter: 5
 Click Apply.
Next you must configure the attached Window network host and specify the services you will be checking with Nagios
(HTTP and HTTPS):
 Select Network Hosts from the Serial & Network menu and click Add Host.
 Enter the IP Address/DNS Name of the network server, e.g.: 192.168.1.10 and enter a Description, e.g.:
Windows 2003 IIS Server
 Remove all Permitted Services. This server will be accessible using Terminal Services, so check TCP, Port
3389 and log level 1 and click Add. It is important to remove and re-add the service to enable logging
 Scroll down to Nagios Settings and check Enable Nagios
 Click New Check and select Check Ping. Click check-host-alive
 Click New Check and select Check Permitted TCP. Select Port 3389
 Click New Check and select Check TCP. Select Port 80
 Click New Check and select Check TCP. Select Port 443
 Click Apply
Similarly you now must configure the serial port to the router to be monitored by Nagios:
 Select Serial Port from the Serial & Network menu
 Locate the serial port that has the router console port attached and click Edit
 Ensure the serial port settings under Common Settings are correct and match the attached router’s console port
 Click Console server Mode, and select Logging Level 1
 Check Telnet (SSH access is not required, as SDT Connector is used to secure the otherwise insecure Telnet
connection)
 Scroll down to Nagios Settings and check Enable Nagios
 Check Port Log and Serial Status
 Click Apply
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