Chapter 9: Nagios Integration
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9.3.2 Basic Nagios plug-ins
Plug-ins are compiled executables or scripts that can be scheduled to be run on the console server to
check the status of a connected host or service. This status is communicated to the upstream Nagios
server which uses the results to 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:
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.
9.3.3 Additional plug-ins
Additional Nagios plug-ins (listed below) are available for all the CM7100 or IM7200 products:
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
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