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Smokeping::probes::EchoPingChargen

Overview

Measures TCP chargen (port 19) roundtrip times for SmokePing.

Synopsis

*** Probes ***

+EchoPingChargen

binary = /usr/bin/echoping
forks = 5
offset = 50%
step = 300

# The following variables can be overridden in each target section
extraopts = -some-letter-the-author-did-not-think-of
fill = A
ipversion = 4
pings = 5
priority = 6
size = 510
timeout = 1
tos = 0xa0
waittime = 1

# [...]

*** Targets ***

probe = EchoPingChargen # if this should be the default probe

# [...]

+ mytarget
# probe = EchoPingChargen # if the default probe is something else
host = my.host
extraopts = -some-letter-the-author-did-not-think-of
fill = A
ipversion = 4
pings = 5
priority = 6
size = 510
timeout = 1
tos = 0xa0
waittime = 1

Variables

Supported probe-specific variables:

binary
The location of your echoping binary.

Default value: /usr/bin/echoping

forks
Run this many concurrent processes at maximum

Example value: 5

Default value: 5

offset
If you run many probes concurrently you may want to prevent them from hitting your network all at the same time. Using the probe-specific offset parameter you can change the point in time when each probe will be run. Offset is specified in % of total interval, or alternatively as 'random', and the offset from the 'General' section is used if nothing is specified here. Note that this does NOT influence the rrds itself, it is just a matter of when data acqusition is initiated. (This variable is only applicable if the variable 'concurrentprobes' is set in the 'General' section.)

Example value: 50%

step
Duration of the base interval that this probe should use, if different from the one specified in the 'Database' section. Note that the step in the RRD files is fixed when they are originally generated, and if you change the step parameter afterwards, you'll have to delete the old RRD files or somehow convert them. (This variable is only applicable if the variable 'concurrentprobes' is set in the 'General' section.)

Example value: 300

Supported target-specific variables:

extraopts
Any extra options specified here will be passed unmodified to echoping(1).

Example value: -some-letter-the-author-did-not-think-of

fill
The ``-f'' echoping(1) option.

Example value: A

ipversion
The IP protocol used. Possible values are ``4'' and ``6''. Passed to echoping(1) as the ``-4'' or ``-6'' options.

Example value: 4

pings
How many pings should be sent to each target, if different from the global value specified in the Database section. Note that the number of pings in the RRD files is fixed when they are originally generated, and if you change this parameter afterwards, you'll have to delete the old RRD files or somehow convert them.

Example value: 5

priority
The ``-p'' echoping(1) option.

Example value: 6

size
The ``-s'' echoping(1) option.

Example value: 510

timeout
The ``-t'' echoping(1) option.

Example value: 1

Default value: 5

tos
The ``-P'' echoping(1) option.

Example value: 0xa0

waittime
The ``-w'' echoping(1) option.

Example value: 1

Authors

Niko Tyni <ntyni@iki.fi>

Notes

The udp variable is not supported.

See also

the Smokeping::probes::EchoPing manpage

04/29/2007 | Niko Tyni | OETIKER+PARTNER AG

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