Re: [Devmon] Initial Configuration

[Buchan M. <bg...@st...>]

On Wednesday, 19 August 2009 13:21:23 mv...@so... wrote:
> Hi there,
>
> Firstly, is there an 'archive' available of previous postings for Devmon?

From http://sf.net/projects/devmon, click the support link, which takes you to 
http://sourceforge.net/projects/devmon/support, which has a link to the 
archives, which are at:

http://sourceforge.net/mailarchive/forum.php?forum_id=6501

> I've read through the documentation and done some searching online, but
> although it pretty much working as expected, I have some niggling initial
> questions I haven't been able to solve..
>
>
> I'm busy implementing and testing Devmon version 0.3.1-beta1, with the
> templates from 20080206.  XYMON version 4.3.0.0-beta2.
>
> My test hardware is a CISCO 2950 switch, CISCO 850 and CISCO 871 firewalls.
>
> 1) The CISCO 2950 default template works fine, except that the if_load
> graphs do not display in xymon.  The memory and CPU are fine.
> if_load.<int>.rrd files are created under my ~xymon/data/rrd directory.
> I've attached a screenshot of what I see.

The graph definitions for if_load are missing (from hobbitgraph.cfg or 
similar). Either append extras/devmon-graph.cfg to Xymon's hobbitgraph.cfg, or 
make a directory in which to store additional graph configuration files (e.g. 
etc/hobbitgraph.d), drop extras/devmon-graph.cfg, and specify "directory 
/path/to/hobbitgraph.d" in hobbitgraph.cfg .

I have also enabled the wiki on sourceforge, but haven't had much time to 
populate it with content. I hope to do so in the near future.

> 2) I've used the exceptions file for the cisco-2950 template to ignore
> interfaces that have no systems connected (rather than report red "down").
> Is this the best way to do this or is their a dymanic way of ignoring these
> interfaces?

If you were to shut the interface, it would stay green. Your network 
administration policy (whether to shut unused ports or not) should determine 
whether you should do this on a per-device basis, per-blade basis or per-port 
basis (or a combination).

E.g., I would typically not have exceptions on a router, on a data center 
switch I might put non-critical devices on a specific blade, and not 
necessarily shut unused ports.

> 3) (may sound like a weird question...)
> When trying to create a template for the CISCO 850 or 870,

When you complete this template, please log a ticket on the sourceforge 
"patch" tracker, with category "Template", so I can review and include the 
template in future.

> I created the
> directory, then a specs file and ran ~devmon/devmon --readbbhosts.  I kept
> receiving the error:
> "No matching templates for device: <hostname>"

Did the regex in the sysdesc line really match the sysdescr.0 value on the 
device?

> But then, after copying the directories and files from cisco-asa and
> updating the specs file accordingly (same as the test specs I was using
> previously), it worked.
>
> Does there need to be any minimum number of tests before the templates will
> match?  I'm sure I didn't have a typo in my original specs file.

It may require at least one test ... I haven't checked, but will take a look.

Regards,
Buchan