[mrtg] Using MRTG to monitor SUN machines

Stefano Gastaldi Stefano.Gastaldi at CSI.IT
Fri Jul 21 12:59:38 MEST 2000





I have installed MRTG on Red Hat Linux 6.2.
 By MRTG,  i  monitor the traffic on routers, without problems.

 But I need to use MRTG to monitor SUN server.
For default MRTG trace the diagram of SUN's interface. But I need of having
other information:
space disc, occupation of cpu, errors on the connection. (on SUN server ).
I have modified the configuration file generated from MRTG (sunserver.cfg)
introducing specifics MIB,
to obtain the information, but SUN server answers always so:

[mrtg at md38109 run]$ ./mrtg /home/mrtg/config/duke.cfg
SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID: 1.3.6.1.2.1.4.20.1.2.1.3.6.1.2.1.6.4)
SNMPv1_Session (remote host: "158.102.33.208" [158.102.33.208].161
                  community: "public"
                 request ID: 1171118230
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
SNMPGET Problem for ipAdEntIfIndex.1.3.6.1.2.1.6.4 on public at 158.102.33.208
SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID: 1.3.6.1.2.1.2.2.1.10)
SNMPv1_Session (remote host: "158.102.33.208" [158.102.33.208].161
                  community: "public"
                 request ID: 1171118231
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
SNMPGET Problem for ifInOctets. ifOutOctets. sysUptime sysName on
public at 158.102.33.2
08
SNMPGET: Failed to reach target: "1.3.6.1.2.1.6.4:public at 158.102.33.208". I
tried mul
tiple times! public at 158.102.33.208
[mrtg at md38109 run]$

*************************************************************************************

duke.cfg   (configuration correspondent to the previous result)


                               Target[duke.csi.it]: 2:public at 158.102.33.208
MaxBytes[duke.csi.it]: 1250000
Title[duke.csi.it]: duke (duke.csi.it): hme0
PageTop[duke.csi.it]: <H1>Traffic Analysis for hme0
 </H1>
 <TABLE>
   <TR><TD>System:</TD><TD>duke in System administrators office</TD></TR>
   <TR><TD>Maintainer:</TD><TD>System administrator</TD></TR>
   <TR><TD>Interface:</TD><TD>hme0 (2)</TD></TR>
   <TR><TD>IP:</TD><TD>duke.csi.it (158.102.33.208)</TD></TR>
   <TR><TD>Max Speed:</TD>
       <TD>1250.0 kBytes/s (ethernetCsmacd)</TD></TR>
  </TABLE>

#---------------------------------------------------------------

Target[duke.csi.it.cpu]: 1.3.6.1.2.1.6.4:public at 158.102.33.208
MaxBytes[duke.csi.it.cpu]: 100
Title[duke.csi.it.cpu]: duke (duke.csi.it): tcpInErrs
PageTop[duke.csi.it.cpu]: <H1> tcpMaxConn
 </H1>
 <TABLE>
   <TR><TD>System:</TD><TD>duke in System administrators office</TD></TR>
   <TR><TD>Maintainer:</TD><TD>System administrator</TD></TR>
   <TR><TD>Interface:</TD><TD>hme0 (2)</TD></TR>
   <TR><TD>IP:</TD><TD>duke.csi.it (158.102.33.208)</TD></TR>
   <TR><TD>Max Speed:</TD>
       <TD>1250.0 kBytes/s (ethernetCsmacd)</TD></TR>
  </TABLE>

********************************************************************************
********************************************************************************

Now, since I have access to SUN Server because the file snmpdx.acl is :


##################
# access control #
##################

# The list of community names needed for read/write access
# to the entire MIB.
# If the list is empty, the only valid community name is "public"
# and its access type is read-only

acl = {
        {
                communities = public, private
                access = read-write
                managers = *
        }

}


#communities = {
#public          read-write
# private        read-write
#}

# The list of hosts that can send SNMP queries.
# If this list is empty, all the hosts are allowed to
# send SNMP queries.

#managers = {
#}



How can  i use the MIB in the configuration file to obtain information (cpu,
space disc)?
If  you can send me examples of configuration file, I'm very happy!
 thanks

Stefano Gastaldi









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