By default , you cannot start DHCP Service on OpenNMS server because OpenNMS server has installed DHCP client. If you want to start DHCP Server on same OpenNMS server , please stop DHCP client before.
These are steps :
- Check all services which start from OpenNMS
# opennms -v status - You should find :
OpenNMS.Dhcpd : running - Disable this service by comment this service in /opt/opennms/etc/service-configuration.xml :
- Restart OpenNMS :
# service opennms restart - Start DHCP service :
# service dhcpd start