Simple Network Management Protocol(SNMP)is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device(71).SNMP is a component of the Internet Protocol Suite as defined by the Internet(72)Task Force.SNMP operates in the(73)layer of the Internet protocol suite.All SNMP messages are transported via User(74)Protocol.An SNMP-managed network consists of three key components: a)Managed devices,b)(75)(i.e.,software which runs on managed devices),and c)Network management station(NMS)(i.e.,software which runs on the manager).