combining monitoring info from 2 machines

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strike-2
Posts: 3
Joined: Sat Jul 08, 2006 3:25 pm

combining monitoring info from 2 machines

Post by strike-2 »

Hello all!

I am already a proud cacti user, but I am now a working on a network that has some strict rules:
a/ A machine in the DMZ can be contacted from both inside and outside
b/ A machine that can be contacted from the outside canNOT connect to the inside network.

My problem is this:
I have 2 external lines (DSL and cable) behind a multi-WAN router and would like to monitor them both.
This can be easily achieved with a single cacti install and 3 network cards
(Cable, DSL and DMZ, because the Cable and DSL _NEED_ to use DHCP, studpid ISP firewalls)

HOWEVER,
I would also like to monitor my internal devices.
( interface errors on switches, server load, printer errors, etc ).

This means placing another Cacti machine on the inside.

Is there a way of making the stats collected by the internal Cacti machine visible on the outside machine?
(having the outside machine display all the stats, but having the inside machine running the poller for the inside files)

I _can_ use a scheduled FTP job to upload any .RRD files, etc.

Any help would be appreciated
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BSOD2600
Cacti Moderator
Posts: 12171
Joined: Sat May 08, 2004 12:44 pm
Location: USA

Post by BSOD2600 »

Hmm, the only solution I can think of off-hand is to copy the rrd files from one server to the other and then use cacti to display the externally updated rrd files.
strike-2
Posts: 3
Joined: Sat Jul 08, 2006 3:25 pm

Post by strike-2 »

Sorry for the late reply (had a lot of other things to take care of)

This is indeed exactly whatI was looking for...

Is there a way of having a remote machine 'fill' the rrd server?

I think installing Cacti on an WRT54GL might be a bit overzealous, but maybe I can get it done with net-snmp and a few wrapper scripts...


Any hints would be appreciated!
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