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[FIXED] SNMP ‘Unknown token: smuxpeer’ Ubuntu 18.04

When trying to get the Dell OpenManage Server Administrator (OMSA) working with SNMP I got the following error:

snmpd[28756]: /etc/snmp/snmpd.conf: line 23: Warning: Unknown token: smuxpeer.

On older Ubuntu server you need to remove -I -smux from the file /etc/default/snmpd

On the newer Ubuntu 18.04 you also need to change the following file: /lib/systemd/system/snmpd.service

The line should look like this:

ExecStart=/usr/sbin/snmpd -Lsd -Lf /dev/null -u Debian-snmp -g Debian-snmp -I -smux,mteTrigger,mteTriggerConf -f

Change that line into:

ExecStart=/usr/sbin/snmpd -Lsd -Lf /dev/null -u Debian-snmp -g Debian-snmp -f

After that you need to do a reload of the daemon config and restart SNMPD:

systemctl daemon-reload $$ service snmpd restart

Now you are done and you can get the Dell OMSA working through SNMP.

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