Black Box LES1204A-R2 Manual de usuario descargar pdf (Pagina 144)

Chapter 10: Nagios Integration

144 724-746-5500 l www.blackbox.com

monitor the current status of the distributed network. Each console server is preconfigured with a selection of the checks

that are part of the Nagios plug-ins package:

check_tcp and check_udp are used to check open ports on network hosts

check_ping is used to check network host availability

check_nrpe is used to execute arbitrary plug-ins in other devices

Each console server is preconfigured with two checks that are specific to Black Box:

check_serial_signals is used to monitor the handshaking lines on the serial ports

check_port_log is used to monitor the data logged for a serial port.

10.4.3 Additional plug-ins

Additional Nagios plug-ins (listed below) are available for Advanced Console Servers (LES1208A, LES1216A, LES1248A:

check_apt

check_by_ssh

check_clamd

check_dig

check_dns

check_dummy

check_fping

check_ftp

check_game

check_hpjd

check_http

check_imap

check_jabber

check_ldap

check_load

check_mrtg

check_mrtgtraf

check_nagios

check_nntp

check_nntps

check_nt

check_ntp

check_nwstat

check_overcr

check_ping

check_pop

check_procs

check_real

check_simap

check_smtp

check_snmp

check_spop

check_ssh

check_ssmtp

check_swap

check_tcp

check_time

check_udp

check_ups

check_user

You can download these plug-ins from the Nagios plug-ins package from www.blackbox.com.

You can also download and run bash scripts (primarily check_log.sh).

 To configure additional checks, save the downloaded plug-in program in the tftp addins directory on the USB flash

and save the downloaded text plug-in file in /etc/config

 To enable these new additional checks, select Seria l& Network: Network Port, then Edit the Network Host you

want to monitor, and select New Checks. The additional check option is included in the updated Nagios Checks

list, and you can again customize the arguments.

10.4.4 Number of supported devices

Ultimately the number of devices that by any particular console server can support depends upon the number of checks

made, and how often they are performed. Access method will also play a part. The table below shows the performance of

three of the console servers:

1 2 ... 139 140 141 142 143 144 145 146 147 148 149 ... 234 235

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