[smokeping-users] [Ticket #32] smokeping-users Digest, Vol 77, Issue 2

Tue Nov 12 18:32:27 CET 2013

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On Nov 12, 2013 @ 05:32 pm, smokeping-users-request at lists.oetiker.ch wrote:
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Today's Topics:

   1. Re: Network Latency of DHCP clients (Paul Mansfield)
   2. Re: Network Latency of DHCP clients (Dan O'Neill)
   3. RedHat install newbie issues. (Indian Maiden)
   4. Re: RedHat install newbie issues. (Paul Mansfield)
   5. (no subject) (Dharmapriya Thusitha)
   6. Re: (no subject) (Paul Mansfield)
   7. Re: (no subject) (Paul Mansfield)

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Message: 1
Date: Mon, 1 Jul 2013 10:25:05 +0100
From: Paul Mansfield <paul.mansfield+smokeping at grapeshot.co.uk>
Subject: Re: [smokeping-users] Network Latency of DHCP clients
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAHYeK0cmLr7cb+-+jEC1PewNJdHQjz3vyW_dK4p7N5jd-DDv3w at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

On 1 July 2013 10:20, puneet bhardwaj <puneetbhrdwj02 at gmail.com> wrote:
> Yes  I want to measure network latency between my smokeping monitoring
> server and all clients who have been allocated a DHCP address and also the

I would suggest using cacti and monitor switch ports instead.

------------------------------

Message: 2
Date: Mon, 1 Jul 2013 06:07:10 -0700
From: "Dan O'Neill" <dano at northpb.com>
Subject: Re: [smokeping-users] Network Latency of DHCP clients
To: Paul Mansfield <paul.mansfield+smokeping at grapeshot.co.uk>
Cc: "smokeping-users at lists.oetiker.ch"
	<smokeping-users at lists.oetiker.ch>
Message-ID:
	<CACCnszEgMZkuPqJTz_-aMP0Bzw9h9RPEVwCDYqNLNM33kYVTDw at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

On Mon, Jul 1, 2013 at 2:25 AM, Paul Mansfield <
paul.mansfield+smokeping at grapeshot.co.uk> wrote:

> On 1 July 2013 10:20, puneet bhardwaj <puneetbhrdwj02 at gmail.com> wrote:
> > Yes  I want to measure network latency between my smokeping monitoring
> > server and all clients who have been allocated a DHCP address and also
> the
>
> I would suggest using cacti and monitor switch ports instead.
>
>
While it is certainly possible to measure latency to your clients, DHCP
allocated addresses add some behaviors that are somewhat incompatible with
long-term measurements. DHCP hands out addresses on request. These
addresses have a lease lifetime and the device that requested the address
will be required to renew prior to the expiration of the lease. There is no
guarantee that the device will always receive the same IP address, although
it is very likely. Further problems arise when devices with an allocated
address leave the network - a cell phone on WiFi, for example, will travel
away from the network and therefore the address is no longer active or may
be reassigned to a different device. This will generate graphs with holes,
spikes and all kinds of noisy information.

Assuming you're going to continue down this path, you'll need to find the
dhcpd.leases file on your DHCP server. In a Linux installation, the file is
normally located at /var/lib/dhcp3/dhcpd.leases. You'll then need to write
a script to read this file, extract IP addresses, generate a set of
Smokeping targets in your smokeping configuration file and finally reload
Smokeping. You may also want to remove targets from leases that are no
longer active, or not...

Bandwidth measurement is not a strength of Smokeping. As mentioned by Paul
Mansfield, you will want to use a different solution that can read SNMP
information from your managed switch to retrieve the number of packets
being sent and received.

Best,

Dan
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Message: 3
Date: Wed, 3 Jul 2013 09:21:41 -0700
From: Indian Maiden <theindianmaiden at gmail.com>
Subject: [smokeping-users] RedHat install newbie issues.
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAKJ0_nt3dEjoXXoAE2S_EEO4v9y2ov16dL+rfQ0xwo5nHzdOXg at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

I have had to manually compile rrdtood but do not know how to resolve this
error:

checking checking for perl module 'LWP'... Ok ** Aborting Configure
******************************

If you know where perl can find the missing modules, set the PERL5LIB
environment variable accordingly. FIRST though, make sure that 'perl'
starts the perl binary you want to use for SmokePing. Now you can install
local copies of the missing modules by running
./setup/build-perl-modules.sh /opt/smokeping/thirdparty The RRDs perl
module is part of RRDtool. Either use the rrdtool package provided by your
OS or install rrdtool from source. If you install from source, the RRDs
module is located PREFIX/lib/perl

Hopefully it is easy!
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Message: 4
Date: Wed, 3 Jul 2013 17:43:43 +0100
From: Paul Mansfield <paul.mansfield+smokeping at grapeshot.co.uk>
Subject: Re: [smokeping-users] RedHat install newbie issues.
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAHYeK0eoEsTigTHgajOSNZU3mAORzb6eK9kYm0bpJUh6fuOVQg at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

is this for Centos6? these are the depends I put in when I packaged it...

bc, fping, libidn, make, perl-CGI, perl-Config-Grammar,
perl-Test-Simple, perl-YAML, popt, rrdtool-perl, tcptraceroute

I had to use cpanspec for the perl-Config-Grammar package.

On 3 July 2013 17:21, Indian Maiden <theindianmaiden at gmail.com> wrote:
> I have had to manually compile rrdtood but do not know how to resolve this
> error:
>
> checking checking for perl module 'LWP'... Ok ** Aborting Configure
> ******************************
>
> If you know where perl can find the missing modules, set the PERL5LIB
> environment variable accordingly. FIRST though, make sure that 'perl' starts
> the perl binary you want to use for SmokePing. Now you can install local
> copies of the missing modules by running ./setup/build-perl-modules.sh
> /opt/smokeping/thirdparty The RRDs perl module is part of RRDtool. Either
> use the rrdtool package provided by your OS or install rrdtool from source.
> If you install from source, the RRDs module is located PREFIX/lib/perl
>
> Hopefully it is easy!
>
> _______________________________________________
> smokeping-users mailing list
> smokeping-users at lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
>

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Message: 5
Date: Mon, 8 Jul 2013 14:30:42 +0530
From: Dharmapriya Thusitha <thusitha555 at gmail.com>
Subject: [smokeping-users] (no subject)
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAJh6EL6PZMNdU_yF-dXm0nu6umTrY4t5ds3Fugf0yPU5Vmd3Ww at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

hi,
In smokeping ,it uses ++/[-_0-9a-zA-Z]+/ types of device names.so i cant
add ip address as the device name .it gives an error." ERROR:
/etc/smokeping/devices/xx.xx.xx.xx, line 1: unknown section
'"xx.xx.xx.xx.and i have 5000 agents to monitor. because of this
problem ,it is very hard
to change the names of those devices.give me an solution
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Message: 6
Date: Mon, 8 Jul 2013 10:10:29 +0100
From: Paul Mansfield <paul.mansfield+smokeping at grapeshot.co.uk>
Subject: Re: [smokeping-users] (no subject)
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAHYeK0fA1m6UwwvfGELW8OkOqO2-a0p=cGVTtdikMxUfjmJ4yQ at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

On 8 July 2013 10:00, Dharmapriya Thusitha <thusitha555 at gmail.com> wrote:
> and i have 5000 agents to monitor. because of this problem ,it is very hard
> to change the names of those devices.give me an solution

I'd recommend programmatically generating something you can add to
/etc/hosts file or DNS, as well as generating the smokeping
configuration.

If you have that many hosts you must be using some sort of automated
deployment and monitoring already so you can get the list of IPs from
that.

------------------------------

Message: 7
Date: Mon, 8 Jul 2013 11:27:30 +0100
From: Paul Mansfield <paul.mansfield+smokeping at grapeshot.co.uk>
Subject: Re: [smokeping-users] (no subject)
To: smokeping-users at lists.oetiker.ch
Message-ID:
	<CAHYeK0f+pa9jpeapnwiFeQd3gqr+YtktQCaacd8yNJvq6rMmxA at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

Simply emailing me directly with your original question, without
having considered my reply, is neither polite nor likely to yield
results. In your original demand for a solution, I presume you have
invoked the service contract you paid for to get minions to spring
into action?

http://www.catb.org/esr/faqs/smart-questions.html#before

On 8 July 2013 10:20, Dharmapriya Thusitha <thusitha555 at gmail.com> wrote:
> hi,
> In smokeping ,it uses ++/[-_0-9a-zA-Z]+/ types of device names.so i cant add
> ip address as the device name .it gives an error." ERROR:
> /etc/smokeping/devices/xx.xx.xx.xx, line 1: unknown section '"xx.xx.xx.xx.
> and i have 5000 agents to monitor. because of this problem ,it is very hard
> to change the names of those devices.give me an solution
>
>
> On Mon, Jul 8, 2013 at 2:40 PM, Paul Mansfield
> <paul.mansfield+smokeping at grapeshot.co.uk> wrote:
>>
>> On 8 July 2013 10:00, Dharmapriya Thusitha <thusitha555 at gmail.com> wrote:
>> > and i have 5000 agents to monitor. because of this problem ,it is very
>> > hard
>> > to change the names of those devices.give me an solution
>>
>> I'd recommend programmatically generating something you can add to
>> /etc/hosts file or DNS, as well as generating the smokeping
>> configuration.
>>
>> If you have that many hosts you must be using some sort of automated
>> deployment and monitoring already so you can get the list of IPs from
>> that.
>>
>> _______________________________________________
>> smokeping-users mailing list
>> smokeping-users at lists.oetiker.ch
>> https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
>
>

------------------------------

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End of smokeping-users Digest, Vol 77, Issue 2
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