#Instalar o SNMPD no Centos-7
yum -y install net-snmp net-snmp-utils
# Liberando acesso as MIBs
vim /etc/snmp/snmpd.conf
Adicionar as linhas:
com2sec notConfigUser default pmpinhais
view systemview included .1
# Startar servições
systemctl start snmpd.service
systemctl enable snmpd.service
#Liberar acesso pelo firewall
firewall-cmd –zone=public –add-port=161/udp –permanent
firewall-cmd –zone=public –add-port=161/tcp –permanent
firewall-cmd –reload