Zabbix SNMP – Error building asn.1 representation

When installing Zabbix on Debian 6, you may enconter an error with SNMP checks.

Error building asn.1 representation

First try to retrieve the most basic uptime value with snmpget

snmpget -v2c -c public SNMPv2-MIB::sysUpTime.0
Cannot find module (SNMPv2-MIB): At line 0 in (none)

If you get similar output as above you are missing package snmp-mibs-downloader.

You can install this package via apt:

apt-get install snmp-mibs-downloader

After installation restart zabbix-server

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