Minor Description
An OPNsense firewall installation is not recognized (see OBS-2725 or OBS-2287) as "OPNsense firewall".
OPNsense's SysDescr currently looks like this:
_FreeBSD firefire.example.com 12.1-RELEASE-p12-HBSD FreeBSD 12.1-RELEASE-p12-HBSD #0 0857355c1c2(stable/20.7)-dirty: Mon Jan 18 18:12:55 CET 2021 root@sensey:/usr/obj/usr/src/amd64.amd64/sys/SMP amd64_
I think that this time it comes from this change in the NET SNMP plugin: https://github.com/opnsense/plugins/pull/1684
As far as I understood it correctly, Observium should query this OID:
.1.3.6.1.4.1.8072.1.3.2.3.1.2.7.118.101.114.115.105.111.110
for version informations:
snmpget -v 2c -c xx firefire.example.com .1.3.6.1.4.1.8072.1.3.2.3.1.2.7.118.101.114.115.105.111.110
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NET-SNMP-EXTEND-MIB::nsExtendOutputFull."version" = STRING: OPNsense 20.7.8_4 (amd64/OpenSSL)
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snmpget -v 2c -c xx firefire.example.com sysObjectID.0
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SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.8
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snmpget -v 2c -c xx firefire.example.com sysDescr.0
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SNMPv2-MIB::sysDescr.0 = STRING: FreeBSD firefire.example.com12.1-RELEASE-p12-HBSD FreeBSD 12.1-RELEASE-p12-HBSD #0 0857355c1c2(stable/20.7)-dirty: Mon Jan 18 18:12:55 CET 2021 root@sensey:/usr/obj/usr/src/amd64.amd64/sys/SMP amd64
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