Martin, In this case more errors is a change for the better. With the $ signs you had errors inside the config file and MRTG would not even run. The new errors tell you that the config errors are gone. MRTG starts working and finds out there is something wrong with the SNMP communication between your MRTG host and the target machine. There can be several reasons for this: 1. The both machines are located in separate parts of the network where SNMP traffic can not get through. Make sure UDP port 161 is not blocked. 2. SNMP is not running or not properly configured at the target host. 3. You don't use the right community string in your mrtg config file. 4. The oid you use in your config file is not valid or not supported at the target machine. 5... To resolve problems with SNMP you best use a mibbrowser from the box where MRTG is installed. If you have mrtg set up on a unix box you can use snmpwalk, if mrtg is on a Windows box getif is a usefull mibbrowser.
Hth, Jan. -----Original Message----- From: Martin Macleod-Brown [mailto:[EMAIL PROTECTED] Sent: Thursday, August 04, 2005 4:13 PM To: Koelstra, J. (Jan); [EMAIL PROTECTED] Subject: RE: [mrtg] Re: SNMP gettng there Thanks for the suggestion. Target is at the beginning of the line, just my error in formatting (sorry!).... If I remove the $ I get even more error messages.... SNMP Error: Received SNMP response with error code error status: noSuchName index 1 (OID: 1.3.6.1.2.1.25.1.5) SNMPv1_Session (remote host: "163.119.174.205" [163.119.174.205].161) community: "admin" request ID: 1586531513 PDU bufsize: 8000 bytes timeout: 2s retries: 5 backoff: 1) at /usr/bin/../lib64/mrtg2/SNMP_util.pm line 490 SNMPGET Problem for 1.3.6.1.2.1.25.1.5 1.3.6.1.2.1.25.1.5 sysUptime sysName on [EMAIL PROTECTED]::::::v4only at /usr/bin/mrtg line 1851 ERROR: Target[163.119.174.205][_IN_] ' $target->[0]{$mode} ' did not eval into defined data ERROR: Target[163.119.174.205][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data And putting the $ back takes back to just the original 2 lines of errors..... -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Koelstra, J. (Jan) Sent: 04 August 2005 14:03 To: Martin Macleod-Brown; [EMAIL PROTECTED] Subject: [mrtg] Re: SNMP gettng there Martin, My bet is that you have to remove the $ signs from your targetline. Also make sure "Target" is at the beginning of the line. In your message below it continues from at the "Workdir" line. Hth, Jan. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Martin Macleod-Brown Sent: Thursday, August 04, 2005 2:54 PM To: [EMAIL PROTECTED] Subject: [mrtg] SNMP gettng there Thank you for all those people that replied to yesterdays post ;) I can defintely confirm that the OID sting is right, confirmed with getif doing an smnpwalk. Running the cofig file below gives me the following errors at the bottom.... WorkDir: /var/www/html/mrtg/wireless Target[163.119.174.205]:1.3.6.1.2.1.25.1.5&1.3.6.1.2.1.25.1.5:[EMAIL PROTECTED] 9.174.205 MaxBytes[163.119.174.205]: 100 kMG[163.119.174.205]: ,M,,, Options[163.119.174.205]: gauge, nopercent, absolute, unknaszero YLegend[163.119.174.205]: Users Attached ShortLegend[163.119.174.205]: Users Attached WithPeak[163.119.174.205]: wmy Colours[163.119.174.205]: GREEN#00eb0c,BLUE#0000ff,GRAY#AAAAAA,VIOLET#ff00ff Legend1[163.119.174.205]: Number of Users Attached Legend2[163.119.174.205]: . Legend3[163.119.174.205]: Peak Number of Users Attached Legend4[163.119.174.205]: . LegendI[163.119.174.205]: Users: LegendO[163.119.174.205]: . Title[163.119.174.205]: $SNAP-WAT1-T3 PageTop[163.119.174.205]: <H1>SNAP-WAT1-T3</H1> Directory[163.119.174.205]: wat1-t3 Error..... ERROR: Target[163.119.174.205][_IN_] '1.3.6.1.2.1.25.1.5&1.3.6.1.2.1.25.1.5:[EMAIL PROTECTED]' (warn): (Missing operator before ?) ERROR: Target[163.119.174.205][_OUT_] '1.3.6.1.2.1.25.1.5&1.3.6.1.2.1.25.1.5:[EMAIL PROTECTED]' (warn): (Missing operator before ?) Am I right in thinking that this is to do with the mrtg file rather than this config script? What does the missing operator message mean, there is no ? In the config file, can anyone help me by pointing me in the right direction please?? Many thanks Martin Information Systems Division London Business School, Sussex Place, Regents Park, London. 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