10.12.0.254,switch,SW-CORE,SW-CORE,localhost,moliver@uclv.edu.cu cbustillo@uclv.edu.cu,check_ping 10.12.0.99,switch,SW-RAPIER,SW-RAPIER,SW-CORE,moliver@uclv.edu.cu cbustillo@uclv.edu.cu,check_ping