SNMP: Difference between revisions

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*[http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094aa4.shtml How to Configure SNMP Community Strings]  
*[http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094aa4.shtml How to Configure SNMP Community Strings]  
*[http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html Linux SNMP OIDs for CPU,Memory and Disk Statistics]
*[http://www.debianadmin.com/linux-snmp-oids-for-cpumemory-and-disk-statistics.html Linux SNMP OIDs for CPU,Memory and Disk Statistics]
*[http://www.circitor.fr/Mibs/Mibs.php The MIBs list]


= FAQ =
=Documentation=
==OID==
https://www.dpstele.com/snmp/what-does-oid-network-elements.php
 
=HOWTO=
==snmpd on Ubuntu==
 
In '''/etc/snmp/snmpd.conf''':
view  systemonly  included  .1
 
 
== Using snmpd as snmp proxy ==
*[https://www.linkedin.com/pulse/using-snmp-proxy-debian-ronald-bartels Using SNMP proxy on Debian]
*[https://docs.librenms.org/Extensions/SNMP-Proxy/ SNMP Proxy]




== Install MIB ==
IP range to call from: 192.168.0.0/16
Hosts to monitor: swa and swb ( 10.1.0.1x )


On the host used as proxy:
view all included .1
group ACCSRV v2c notConfigUser
com2sec -Cn wasrv notConfigUser 192.168.0.0/16 swa
com2sec -Cn wbsrv notConfigUser 192.168.0.0/16 swb
access ACCSRV wasrv any noauth prefix all none none
access ACCSRV wbsrv any noauth prefix all none none
proxy -Cn wasrv -v 2c -c public 10.1.0.11 .1.3
proxy -Cn wbsrv -v 2c -c public 10.1.0.12 .1.3


*[http://www.net-snmp.org/wiki/index.php/TUT:Using_and_loading_MIBS Installing and loading MIBs]
Then from your 192.168.0.0/16 network:
*[https://l3net.wordpress.com/2013/05/12/installing-net-snmp-mibs-on-ubuntu-and-debian/ https://l3net.wordpress.com/2013/05/12/installing-net-snmp-mibs-on-ubuntu-and-debian/]
snmpwalk -v 2c -c swa yoursnmpproxyserver
= snmptranslate =
== Translate OID to name ==


Locations: /usr/share/snmp/mib /var/lib/snmp/mibs/
snmptranslate .1.3.6.1.2.1.1.3.0
SNMPv2-MIB::sysUpTime.0


== snmpwalk ==
==Translate name to OID==
snmptranslate -On SNMPv2-MIB::system.sysUpTime.0
.1.3.6.1.2.1.1.3.0


=Tools=
==snmpwalk==
  snmpwalk -v 2c  -c public yourhost system(?)
  snmpwalk -v 2c  -c public yourhost system(?)


Line 30: Line 61:


   snmpwalk -v 2c  -c public yourhost
   snmpwalk -v 2c  -c public yourhost
==snmpget==
snmpget -v1 -c public 192.168.10.17 .1.3.6.1.4.1.318.1.1.25.1.2.1.6.1.1
PowerNet-MIB::uioSensorStatusTemperatureDegC.1.1 = INTEGER: 22
=FAQ=
==Cannot find module (IF-MIB): At line 1 in (none)==
apt install snmp-mibs-downloader
download-mibs
= FAQ =
== Install MIB ==
*[http://www.net-snmp.org/wiki/index.php/TUT:Using_and_loading_MIBS Installing and loading MIBs]
*[https://l3net.wordpress.com/2013/05/12/installing-net-snmp-mibs-on-ubuntu-and-debian/ Installing net-snmp MIBs on Ubuntu and Debian]
apt install snmp-mibs-downloader
===Locations===
*/usr/share/snmp/mib
*/var/lib/snmp/mibs/
*/usr/share/snmp/mibs/
==Error messages==
===Bad operator (INTEGER): At line 73 in /usr/share/snmp/mibs/ietf/SNMPv2-PDU===
See https://serverfault.com/questions/936119/snmp-mibs-on-ubuntu-error-in-mibs
===Cannot find module (IF-MIB)===
apt install snmp-mibs-downloader
Edit /etc/snmp/snmp.conf:
# mibs:
and then run
download-mibs


[[Category:Monitoring]]
[[Category:Monitoring]]

Latest revision as of 12:22, 9 April 2026


Links

Documentation

OID

https://www.dpstele.com/snmp/what-does-oid-network-elements.php

HOWTO

snmpd on Ubuntu

In /etc/snmp/snmpd.conf:

view   systemonly  included   .1


Using snmpd as snmp proxy


IP range to call from: 192.168.0.0/16 Hosts to monitor: swa and swb ( 10.1.0.1x )

On the host used as proxy:

view all included .1
group ACCSRV v2c notConfigUser
com2sec -Cn wasrv notConfigUser 192.168.0.0/16 swa
com2sec -Cn wbsrv notConfigUser 192.168.0.0/16 swb
access ACCSRV wasrv any noauth prefix all none none
access ACCSRV wbsrv any noauth prefix all none none
proxy -Cn wasrv -v 2c -c public 10.1.0.11 .1.3
proxy -Cn wbsrv -v 2c -c public 10.1.0.12 .1.3

Then from your 192.168.0.0/16 network:

snmpwalk -v 2c -c swa yoursnmpproxyserver

snmptranslate

Translate OID to name

snmptranslate .1.3.6.1.2.1.1.3.0

SNMPv2-MIB::sysUpTime.0

Translate name to OID

snmptranslate -On SNMPv2-MIB::system.sysUpTime.0

.1.3.6.1.2.1.1.3.0

Tools

snmpwalk

snmpwalk -v 2c  -c public yourhost system(?)

or to show all OIDs

 snmpwalk -v 2c  -c public yourhost

snmpget

snmpget -v1 -c public 192.168.10.17 .1.3.6.1.4.1.318.1.1.25.1.2.1.6.1.1

PowerNet-MIB::uioSensorStatusTemperatureDegC.1.1 = INTEGER: 22


FAQ

Cannot find module (IF-MIB): At line 1 in (none)

apt install snmp-mibs-downloader
download-mibs

FAQ

Install MIB

apt install snmp-mibs-downloader

Locations

  • /usr/share/snmp/mib
  • /var/lib/snmp/mibs/
  • /usr/share/snmp/mibs/


Error messages

Bad operator (INTEGER): At line 73 in /usr/share/snmp/mibs/ietf/SNMPv2-PDU

See https://serverfault.com/questions/936119/snmp-mibs-on-ubuntu-error-in-mibs

Cannot find module (IF-MIB)

apt install snmp-mibs-downloader

Edit /etc/snmp/snmp.conf:

# mibs: 

and then run

download-mibs