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Dhawal Doshy | 4 Jan 2011 13:42
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Re: Graph colors (for slaves) and Y-axis numbers

On Wed, Dec 15, 2010 at 5:26 PM, Dhawal Doshy
<dhawal.doshy+smokeping <at> gmail.com> wrote:
> Hello List,
>
> I've a minor query on the graph colors for slaves, it appears both
> slaves use the same color (red) as compared to the master (blue). Is
> it possible to have separate colors for each slave? Image is here:
> http://lm1.netmagicians.com/Sprint_Network_mini.png

This was sorted out via the "color" variable in the slave definition.

> Also, for the attached image, there is some garbling of the numbers on
> Y-axis towards the top. Is this a smokeping issue or an rrd issue? How
> do i correct it?

This one is still not clear, any pointers in the right direction will help.

thanks,
- dhawal

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Guarini, Jeremy | 8 Jan 2011 00:53
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curl probe and xml response

Hi all,

I am using the curl probe successfully with two sites but a third site that I have configured doesn't seem to
work. I have ran smokeping in debug and have then taken the failing check and ran that by hand on the command
line, which worked just fine. Comparing the output from the successful checks against the one that fails
the only difference I can spot is in the response from the server, here is the difference:

*working*
< HTTP/1.1 200 OK
< Date: Fri, 07 Jan 2011 23:42:10 GMT
< Content-Length: 2595
< Content-Type: text/xml; charset=utf-8
< Set-Cookie: JSESSIONID=T79QNnkSqfhRrpGMPwmQhsPtyS3m0sQrmn2JnL0XshqQjKpnp4Z7!-1675284917; path=/
<

*fails*
< HTTP/1.1 200 OK
< Server: Apache-Coyote/1.1
< Content-Type: text/xml
< Content-Length: 4633
< Date: Fri, 07 Jan 2011 23:42:47 GMT
<

Trying to get more output from smokeping I went and changed the lib/Smokeping/probes/Curl.pm so that it
would do system/exec on the  <at> cmd and output stdout and stderr to a file to verify that I was actually getting
a response from the server. Checking the stderr file I saw the expected correct output from the server,
which happened to be the same output when calling curl directly.

Here's a snip of the debug output from smokeping
(Continue reading)

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Mohinder Partap Singh | 12 Jan 2011 19:12
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Need help with Smokeping

Hi

Can someone please help/advise

we have 4 different Co-los. I want to install smokeping at each location and then bring the graphs to one single location. Can this be achieved ?
Thanks
Mp

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Tobias Oetiker | 12 Jan 2011 21:19
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Re: Need help with Smokeping

Hi Mohinder,

Today Mohinder Partap Singh wrote:

> Hi
>
> Can someone please help/advise
>
> we have 4 different Co-los. I want to install smokeping at each location and
> then bring the graphs to one single location. Can this be achieved ?

yes with a master/slave setup this can be achieved easily

cheers
tobi

> Thanks
> Mp
>

--

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi <at> oetiker.ch ++41 62 775 9902 / sb: -9900

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Stian Øvrevåge | 19 Jan 2011 01:51
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DSCP marking on ICMP pings

Hi all,


To measure and tune the quality of service among different traffic classes in my network I'm eager to probe nodes with different DSCP markings.

However, I've not come up with a way to do this with smokeping, mainly because:

 - FPing, the ICMP probe, does not appear to support changing the TOS/COS/DSCP header data.
 - The echoping probe does support changing TOS/COS/DSCP, but does not support plain old ICMP pings. My environment makes it somewhat impossible to rely on solely TCP/UDP echo pings.

Fixing one of these would be my favored solution.

Of workarounds one can start to fiddle with multiple IPs/interfaces on the server and do marking somewhere else in the network but this is very wasteful of resources and induces unneeded complexity.

Any ideas? Which of fping or echoping would I be most likely to succeed in getting a change request fulfilled?

Regards,
Stian Ovrevage
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Miloš Šifalda | 20 Jan 2011 12:49

confusing average packet loss

Hi all,

I need to monitor real packet loss of company workstations.
For example these workstations are 60% time down. I get in 400days graph average packet loss 61%.
But I need average packet loss from the time when the workstation is up.

I can calculate with 100% packet loss = host down.
I need to set UNKNOWN value into rrd instead of 100% loss (maybe).
How can I do this, or is another way to get real values of average packet lost?

Thanks,
Milos

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Kobus Bensch | 20 Jan 2011 16:14
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Traceroute feature

Hello everyone


I have managed to setup smokeping and i am happily smoking the network. I am now trying to setup the traceroute and although it pops up and wants to start tracing, i get the following error in the window:

The specified type of tracerouting is only allowed for superuser only

How do i get it to perform the trace? My smokeping speedy-cgi is running as apache on a centos box.


Thanks in advance

Kobus


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Tobias Oetiker | 20 Jan 2011 16:51
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Re: Traceroute feature

Hi Kobus,

Today Kobus Bensch wrote:

> Hello everyone
>
> I have managed to setup smokeping and i am happily smoking the
> network. I am now trying to setup the traceroute and although it
> pops up and wants to start tracing, i get the following error in
> the window:
>
> The specified type of tracerouting is only allowed for superuser
> only
>
> How do i get it to perform the trace? My smokeping speedy-cgi is
> running as apache on a centos box.

you have to make the traceroute binary setuid root

cheers
tobi

> Thanks in advance
>
> Kobus
>
>

--

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi <at> oetiker.ch ++41 62 775 9902 / sb: -9900

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Peter Kristolaitis | 20 Jan 2011 14:38
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Re: confusing average packet loss

You can accomplish this by changing the xff value of the RRD files so that a higher percentage of samples must
be 'known' in order for data to be consolidated.  This is the second value in the lines defining the RRA
records in the "*** Database ***" configuration section (for example, "AVERAGE  0.5   1   1008" has an xff of
0.5, meaning that you need to know 50% of the values in order to consolidate to a known value).

See the Smokeping (or better yet, rrdtool) docs for a full explanation of the math involved.   You'll have to
figure out what xff value best suits your particular setup, however.

- Peter



--- m009 <at> sifalda.net wrote:

From: Miloš Šifalda <m009 <at> sifalda.net>
To: smokeping-users <at> lists.oetiker.ch
Subject: [smokeping-users] confusing average packet loss
Date: Thu, 20 Jan 2011 12:49:56 +0100

Hi all,

I need to monitor real packet loss of company workstations.
For example these workstations are 60% time down. I get in 400days graph average packet loss 61%.
But I need average packet loss from the time when the workstation is up.

I can calculate with 100% packet loss = host down.
I need to set UNKNOWN value into rrd instead of 100% loss (maybe).
How can I do this, or is another way to get real values of average packet lost?

Thanks,
Milos

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Dan O'Neill | 23 Jan 2011 17:06
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Charts problem "unknown variable 'sorter'"

The problem I am reporting is consistent between revision 2.4.2 and trunk 20110123 and is most likely a configuration error that I simply haven't been able to resolve.

Taking a working configuration and adding in the 'charts' section per the documentation results in the following error when checking the config file or starting smokeping

ERROR: etc/config, line 152: unknown variable 'sorter'

Any help would be appreciated.

Dan

Here is a section of the config file
----- cut here -----

*** Targets ***
 menuextra = <a target='_blank' href='/sptrace/tr.html{HOST}' class='{CLASS}' \
    onclick="window.open(this.href,this.target, \
    'width=800,height=500,toolbar=no,location=no,status=no,scrollbars=no'); \
    return false;">*</a>

probe = FPing

menu = Top
title = Network Latency Grapher
remark = Welcome to a few things I measure from San Diego, CA.

+ charts
menu = Charts
title = The most interesting destinations

++ median
sorter = Median(entries=>10)
title = Sorted by Median Roundtrip Time
menu = Top Median RTT
format = Median RTT %e s

+ World

menu = World
title = Worldwide Connectivity

++ La_Jolla
menu = La Jolla
title = La Jolla TWC (173.198.15.10)
host = 173.198.15.10

----- end -----

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Gmane