[mrtg] PPP+SNMP+MRTG

[Marcin Zurakowski]

Hi,

I've got a few ppp connections to my clients. Each client has its own P-t-P
IP number, but names of interfaces (fe. ppp0, ppp1) are sets randomly by
pppd. I want to monitor this connections.

I know, mrtg support selecting target interface by ip address, but it only
works for ethernet and lo. That's my problem. Output from cfgmaker:
----------------------------------------------------------------------------
--------
...
### Interface 2 >> Descr: 'eth0' | Name: '' | Ip: '192.168.1.1' | Eth:
'00-50-04-f7-ae-19' ###

Target[test.gronet.pl_192.168.1.1]: /192.168.1.1:test at test.gronet.pl:
SetEnv[test.gronet.pl_192.168.1.1]: MRTG_INT_IP="192.168.1.1"
MRTG_INT_DESCR="eth0"
MaxBytes[test.gronet.pl_192.168.1.1]: 1250000
Title[test.gronet.pl_192.168.1.1]: Traffic Analysis for 192.168.1.1--
test.gronet.pl
PageTop[test.gronet.pl_192.168.1.1]: <H1>Traffic Analysis for 192.168.1.1 --
test.gronet.pl</H1>
 <TABLE>
   <TR><TD>System:</TD>     <TD>test.gronet.pl in Sosnowiec</TD></TR>
   <TR><TD>Maintainer:</TD> <TD>Administrator
&lt;root at test.gronet.pl&gt;</TD></TR>
   <TR><TD>Description:</TD><TD>eth0  </TD></TR>
   <TR><TD>ifType:</TD>     <TD>ethernetCsmacd (6)</TD></TR>
   <TR><TD>ifName:</TD>     <TD></TD></TR>
   <TR><TD>Max Speed:</TD>  <TD>1250.0 kBytes/s</TD></TR>
   <TR><TD>Ip:</TD>         <TD>192.168.1.1 (test.gronet.pl)</TD></TR>
 </TABLE>
...
### Interface 8 >> Descr: 'ppp1' | Name: '' | Ip: '' | Eth: '' ###
### The following interface is commented out because:
### * has a speed of 0 which makes no sense
### * --ifref=ip is not unique for this interface

 Target[test.gronet.pl_8]: 8:test at test.gronet.pl:
 SetEnv[test.gronet.pl_8]: MRTG_INT_IP="" MRTG_INT_DESCR="ppp1"
 MaxBytes[test.gronet.pl_8]: 0
 Title[test.gronet.pl_8]: Traffic Analysis for 8 -- test.gronet.pl
 PageTop[test.gronet.pl_8]: <H1>Traffic Analysis for 8 --
test.gronet.pl</H1>
  <TABLE>
    <TR><TD>System:</TD>     <TD>test.gronet.pl in Sosnowiec</TD></TR>
    <TR><TD>Maintainer:</TD> <TD>Administrator
&lt;root at test.gronet.pl&gt;</TD></TR>
    <TR><TD>Description:</TD><TD>ppp1  </TD></TR>
    <TR><TD>ifType:</TD>     <TD>ppp (23)</TD></TR>
    <TR><TD>ifName:</TD>     <TD></TD></TR>
    <TR><TD>Max Speed:</TD>  <TD>0.0 Bytes/s</TD></TR>
 </TABLE>
----------------------------------------------------------------------------
------------

I have mrtg 2.9.21 and SNMP agent net-snmp 5.01. I've also tested it on
ucd-snmp, with the same result. What should I do?

Marcin Zurakowski


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