[mrtg] Cisco 5509 Port Monitoring

Stephen stephen at belfastcityairport.com
Mon Dec 8 11:32:37 MET 2003

Recently I have decided to run mrtg to help gather some infomration on my
network. I am currently trying to monitor the bandwidth useage on each port
of my Cisco 5509. I have used the template available on Somix's site but i
am having trouble whenever i execute the script i customised.

SNMP Error:
Received SNMP response with error code
  error status: noSuchName
  index 1 (OID:
SNMPv1_Session (remote host: "" [].161)
                  community: "bhdpub"
                 request ID: -217934435
                PDU bufsize: 8000 bytes
                    timeout: 2s
                    retries: 5
                    backoff: 1)
 at D:/Mrtg/bin\..\lib\mrtg2/SNMP_util.pm line 486
SNMPGET Problem for ifInOctets.114 ifOutOctets.114 sysUptime sysName on
bhdpub at at mrtg line 1798
ERROR: Target[a5509-m3p1][_IN_] ' $target->[0]{$mode} ' did not eval into
defined data
ERROR: Target[a5509-m3p1][_OUT_] ' $target->[0]{$mode} ' did not eval into
defined data
WARNING: Skipping Update of a5509-m3p1, inlast is not defined
WARNING: Skipping Update of a5509-m3p1, outlast is not defined

I have absolutely no idea what this means:) If anyone could shed some light
i would be most grateful!
Here is part of the config that i am currently using if it helps.

WorkDir: d:\output3
Refresh: 300
RunAsDaemon: Yes
EnableIPv6: no
Interval: 5

Target[A5509-M3P1]: 114:bhdpub at
MaxBytes[A5509-M3P1]:  12500000
Options[A5509-M3P1]:  bits, unknaszero
Title[A5509-M3P1]:  Fiber Port 1 (Module 3)
PageTop[A5509-M3P1]:  <H1>Fiber Port 1 (Module 3)</H1>
YLegend[A5509-M3P1]:  Port Utilization
LegendI[A5509-M3P1]:  In
LegendO[A5509-M3P1]:  Out
Legend1[A5509-M3P1]:  Inbound Bits
Legend2[A5509-M3P1]:  Outbound Bits
Legend3[A5509-M3P1]:  INBOUND Max value per interval on graph
Legend4[A5509-M3P1]:  OUTBOUND Max value per interval on graph
Colours[A5509-M3P1]:  GREEN#00eb0c,BLUE#0000ff,GRAY#AAAAAA,VIOLET#ff00ff
WithPeak[A5509-M3P1]:  ymw

Thanks to anyone who has read this far! If you know a better or even just
more information than i do about cisco 5509's with mrtg please drop me a

Stephen Hughes

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