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NTPSNMPD(8) NTPsec NTPSNMPD(8)

NAME

ntpsnmpd - NTP Simple Network Management Protocol sub-agent

SYNOPSIS

ntpsnmpd [-nxdDlhV] [ntp host]

DESCRIPTION

[experimental]

ntpsnmpd is an AgentX Simple Network Management Protocol sub-agent.

It functions as a bridge between the Mode 6 protocol used for Network Time Protocol monitoring, and an SNMP master agent. The user must have running NTP and SNMP daemons for ntpsnmpd to work.

OPTIONS

-c filename, --configfile=filename

Alternate path for the configuration file, /etc/ntpsnmpd.conf by default

-n, --nofork

Do not fork

-x, --master-addr

Specify address for connecting to the master agent

-d, --debug

Increase debugging level by 1.

-D num, --set-debug-level=num

The debug level is set to the following integer argument.

-l filename, --logfile=filename

Log debugging output to the specified file.

-h, --help

Print a usage message summarizing options end exit.

-V, --version

Print the version string and exit.

CONFIGURATION FILES

Note that filenames in the options should be enclosed in quotes.
This is a temporary measure that will not be the case in future
versions.

/etc/ntpsnmpd.conf

master-addr addr

The address of the SNMP master agent to connect to. Can be either a named socket or an IP address / hostname and port number.

ntp-addr addr

The address of the NTP daemon to monitor.

logfile filename

Log debugging output to the specified file.

loglevel level

Threshold for log messages. Equivalent to -D

/var/ntpsnmpd/notify.conf

This file is used to store the state of options that can be set
by writing to certain OIDs. Any comments will be overwritten by
ntpsnmpd upon write.

notify-mode-change [ True | False ]

Enable notifications on ntpd mode change.

notify-stratum-change [ True | False ]

Enable notifications on NTP stratum change.

notify-syspeer-change [ True | False ]

Enable notifications when ntpd selects a new system peer.

notify-add-association [ True | False ]

Enable notifications when ntpd adds a new peer.

notify-rm-association [ True | False ]

Enable notifications when ntpd removes a peer.

notify-leap-announced [ True | False ]

Enable notifications on leap second announcement.

notify-heartbeat [ True | False ]

Send heartbeat notification.

heartbeat-interval interval

Frequency of heartbeat notification in integer seconds.

KNOWN LIMITATIONS

This program is still experimental in nature. Parts of the AgentX standard are not yet fully implemented, logging not fleshed out yet, some options missing, etc.

KNOWN DEVIATIONS FROM RFC 5907

The ntpEntStatusEntityUptime OID specifies a bizarre time format. This does not match what the SNMP tools expect to see from a TimeTicks variable. Instead the daemon returns a normal TimeTicks value.

The ntpEntNotifConfigChanged trap is left unimplemented. This is because there currently is no way to implement what it wants, and it demands alerts regarding changes that are not part of NTP’s jurisdiction.

The ntpEntTimeResolution OID currently uses data from the sys_fuzz variable as the base for it’s calculations. It is by no means certain that this is the correct choice, and the returned data should be taken with scepticism.

The ntpEntStatPktModeTable is unimplemented due to not currently having a data source.

EXIT STATUS

Always returns 0.

04/17/2024 NTPsec 1.2.3