nano /etc/snmp/snmpd.conf
找到

sec.name source community

com2sec local localhost COMMUNITY
com2sec mynetwork NETWORK/24 COMMUNITY

替换为

com2sec local localhost private
com2sec mynetwork NETWORK/24 public

找到
rocommunity public default .1.3.6.1.2.1.1.4
替换为
rocommunity public default .1

找到

rwcommunity private

打开
rwcommunity private

保存完后
sudo launchctl load -w /System/Library/LaunchDaemons/org.net-snmp.snmpd.plist