SNMP

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Contents

General Information

  • Below is a setup we use on our network for custom SNMP monitoring for MRTG. You can change and modify to your hearts content, this is just one mans idea for sanity in this insane world.

SNMP config file

  • /etc/snmp/snmpd.conf (CentOS, might differ in other distros)

Custom OiDs

OiD Groups

Legacy Exec OiDs

  • Filesystem Information (1.3.6.1.4.1.2021.10-19)
  • Asterisk
  • Network (1.3.6.1.4.1.2021.30-39)
  • General System (1.3.6.1.4.1.2021.40-49)
  • Firewall (1.3.6.1.4.1.2021.50-59)
  • DNS (1.3.6.1.4.1.2021.60-69)
  • email (1.3.6.1.4.1.2021.70-79)
  • MySQL (1.3.6.1.4.1.2021.80-89)
  • Vserver (1.3.6.1.4.1.2021.90-99)

Extend OiDs

You can use 1.3.6.1.4.1.7594 for all extend or divide them up by .1 .2 and so on like I did with exec above.
  • Disk (1.3.6.1.4.1.7594.1-9)
  • Disk Inodes (1.3.6.1.4.1.7594.10)


OiD Chart

OiD OiD Group Name remote script snmpd.conf entry Programs needed Extra Info
1.3.6.1.4.1.2021.10 Filesystem Information XFSSTATS xfsstat.sh exec .1.3.6.1.4.1.2021.10 XFSSTATS /usr/bin/xfsstat.sh
1.3.6.1.4.1.2021.11 Filesystem Information PERL_XFSSTATS perl_xfsstat.sh exec .1.3.6.1.4.1.2021.11 PERL_XFSSTATS /usr/bin/perl_xfsstat.sh xfs_stats.pl
1.3.6.1.4.1.2021.20 Asterisk ASTERISKSTATS/usr/sbin/asteriskstats.sh asteriskstats.sh exec .1.3.6.1.4.1.2021.20 ASTERISKSTATS /usr/sbin/asteriskstats.sh
1.3.6.1.4.1.2021.30 Network QDISCCHECK checkqdisc exec .1.3.6.1.4.1.2021.30 QDISCCHECK /usr/sbin/checkqdisc
1.3.6.1.4.1.2021.31 Network network_pps packetspersec.sh exec .1.3.6.1.4.1.2021.31 network_pps /usr/local/sbin/packetspersec.sh
1.3.6.1.4.1.2021.40 General System SARDISKIO mrtg_diskio exec .1.3.6.1.4.1.2021.40 SARDISKIO /usr/bin/mrtg_diskio
1.3.6.1.4.1.2021.41 General System HUGEMEM meminfo
1.3.6.1.4.1.2021.42 General System DISKTRANSFER disktransfer exec .1.3.6.1.4.1.2021.42 DISKTRANSFER /usr/sbin/disktransfer
1.3.6.1.4.1.2021.43 General System DISKIOPS diskiops exec .1.3.6.1.4.1.2021.42 DISKIOPS /usr/sbin/diskiops
1.3.6.1.4.1.2021.44 General System DISKLATENCY disklatency exec .1.3.6.1.4.1.2021.42 DISKLATENCY /usr/sbin/disklatency
1.3.6.1.4.1.2021.50 Firewall connection tracking conntrack.sh exec .1.3.6.1.4.1.2021.50 check_ip_conn /usr/local/sbin/conntrack.sh
1.3.6.1.4.1.2021.61 DNS DJBCACHESTATS qmailmrtg7 exec .1.3.6.1.4.1.2021.61 dnscachestats1 /usr/local/bin/qmailmrtg7 Q /service/dnscache/log/main qmailmrtg
1.3.6.1.4.1.2021.62 DNS DNSSTATS dnsstats exec .1.3.6.1.4.1.2021.62 DNSSTATS /usr/bin/stats
1.3.6.1.4.1.2021.70 email TCPSERVER_BUSY tcpbusy exec .1.3.6.1.4.1.2021.70 TCPSERVER_BUSY /usr/bin/tcpbusy
1.3.6.1.4.1.2021.71 email REMOTE_QUEUE remotequeue exec .1.3.6.1.4.1.2021.71 REMOTE_QUEUE /usr/bin/remotequeue qmHandle
1.3.6.1.4.1.2021.72 email QMAIL_MRTG qmailmrtg7-remote exec .1.3.6.1.4.1.2021.72 QMAIL_MRTG /usr/bin/qmailmrtg7-remote qmailmrtg See Below
1.3.6.1.4.1.7594.1 disk DISK_HEALTH diskinfo.sh extend .1.3.6.1.4.1.2022.1 DISK_HEALTH /usr/bin/diskinfo.sh
1.3.6.1.4.1.7594.3 WEATHER WEATHER weather.sh extend .1.3.6.1.4.1.2022.1 DISK_HEALTH /usr/bin/diskinfo.sh
1.3.6.1.4.1.7594.10 disk DISK_INODES inodecheck.sh extend . 1.3.6.1.4.1.7594.10 DISK_INODES /usr/bin/inodecheck.sh


  • QMAIL_MRTG - Extra Notes
  • Returned Values
  1. SPAM (/usr/local/bin/qmailmrtg7 S)
  2. SMTP Totals (/usr/local/bin/qmailmrtg7 a)
  3. Bits Transfered (/usr/local/bin/qmailmrtg7 b)


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