[geeks] MRTG

Gregory Leblanc gleblanc at linuxweasel.com
Wed May 29 17:08:39 CDT 2002


According to HP's PDFs, the 2200 series printers use the "Standard
Printer MIB".  Here's a page on that MIB, which looks pretty helpful
http://www.pwg.org/mib/index.html

It's got links to the RFC, which describes the MIB in some detail, and a
download of the MIB file which you can feed to your SNMP client so that
it knows what it's looking at, and can present you with some
descriptions.  Damn, I need a Jet Direct printer around so that I can
play with this some more...
	Greg

On Wed, 2002-05-29 at 15:02, Gregory Leblanc wrote:
> On Wed, 2002-05-29 at 14:45, Shawn Wallbridge wrote:
> > I found a page at (http://www.ansdell.demon.co.uk/networks/monitor.html)
> > that lists some MIB's for HP printers (1.3.6.1.2.1.43.10.2.1.4.1.1 ), but
> > they don't say anything about our model.
> 
> Do you have Net-SNMP or some other command line SNMP agent installed? 
> With Net-SNMP I can do something like:
> snmpget hostname public .1.3.6.1.4.1.2021.9.1.9.1
> 
> To get % disk usage on one of my disks (I forget which one).  There's
> also snmpwalk, which can fetch a whole SNMP tree.  One of those two
> should get you descriptions of what your router, err, I mean, printer,
> is reporting.  I think I ended up doing an snmpwalk of the entire tree
> on my machines, and reading the entire thing, looking for something
> useful.  Here's the useful stuff I found for a host, put into a quick
> and dirty webpage. 
> http://linuxweasel.com/mrtg/Sparc20_Machine_Statistics.html
> 
> 
> > Honestly, I don't know squat about SNMP, I just used the config file creator
> 
> I knew a bit back when I last set up MRTG for my machines, but I don't
> think anybody here really knows a lot about it (at least, nobody
> commented on what I was doing when I asked for feedback).  
> 
> > (cfgmaker) to make the stuff for MRTG. I have been reading the mrtg docs
> > trying to figure out where to put the MIB in the cfgmaker command, but what
> > they say to do doesn't seem to work.
> 
> I think I gave up on those, and wrote my config file by hand.  
> 
> > Here is the config file I have working for the printer that is currently
> > monitoring the throughput.
> > 
> [snip]
> > #  to get bits instead of bytes and graphs growing to the right
> > # Options[_]: growright, bits
> 
> The [_] thing tells it which graph you're talking about.  For example,
> my mrtg.cfg has 12 different options inside of [], along the lines of
> Options[sparc20.cpusum]: growright,nopercent
> 
> 
> > WorkDir: /var/www/mrtg
> > Options[_]: bits,growright
> > 
> [snip]
> > ### Interface 1 >> Descr: '' | Name: '' | Ip: '192.168.0.10' | Eth:
> > '00-01-e6-5c-0e-e5' ###
> > 
> > Target[192.168.0.10_1]: 1:public at 192.168.0.10:
> > SetEnv[192.168.0.10_1]: MRTG_INT_IP="192.168.0.10" MRTG_INT_DESCR=""
> > MaxBytes[192.168.0.10_1]: 1250000
> > Title[192.168.0.10_1]: Traffic Analysis for 1 -- LaserJet
> > PageTop[192.168.0.10_1]: <H1>Traffic Analysis for 1 -- LaserJet</H1>
> >  <TABLE>
> >    <TR><TD>System:</TD>     <TD>LaserJet in </TD></TR>
> >    <TR><TD>Maintainer:</TD> <TD></TD></TR>
> >    <TR><TD>Description:</TD><TD>  </TD></TR>
> >    <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
> >    <TR><TD>ifName:</TD>     <TD></TD></TR>
> >    <TR><TD>Max Speed:</TD>  <TD>10.0 Mbits/s</TD></TR>
> >    <TR><TD>Ip:</TD>         <TD>192.168.0.10 ()</TD></TR>
> >  </TABLE>
> > 
> 
> Hmm, I wonder what's with the HTML code in there.  I don't have any in
> my mrtg.cfg.  
> > 
> > ### Interface 2 >> Descr: '' | Name: '' | Ip: '' | Eth: '' ###
> > ### The following interface is commented out because:
> > ### * it is a Software Loopback interface
> > ### * has a speed of 0 which makes no sense
> > #
> > # Target[192.168.0.10_2]: 2:public at 192.168.0.10:
> > # SetEnv[192.168.0.10_2]: MRTG_INT_IP="" MRTG_INT_DESCR=""
> > # MaxBytes[192.168.0.10_2]: 0
> > # Title[192.168.0.10_2]: Traffic Analysis for 2 -- LaserJet
> > # PageTop[192.168.0.10_2]: <H1>Traffic Analysis for 2 -- LaserJet</H1>
> > #  <TABLE>
> > #    <TR><TD>System:</TD>     <TD>LaserJet in </TD></TR>
> > #    <TR><TD>Maintainer:</TD> <TD></TD></TR>
> > #    <TR><TD>Description:</TD><TD>  </TD></TR>
> > #    <TR><TD>ifType:</TD>     <TD>softwareLoopback (24)</TD></TR>
> > #    <TR><TD>ifName:</TD>     <TD></TD></TR>
> > #    <TR><TD>Max Speed:</TD>  <TD>0.0 bits/s</TD></TR>
> > #  </TABLE>
> 	Greg
> 
> -- 
> Portland, Oregon, USA.
> Please don't copy me on replies to the list.
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-- 
Portland, Oregon, USA.
Please don't copy me on replies to the list.



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