Cisco Cisco IOS Software Release 12.2(14)S

inform—An SNMP trap message that includes a delivery confirmation request.

Management Information Base—See MIB.

MIB—Management Information Base. Database of network management information that is used and 
maintained by a network management protocol such as Simple Network Management Protocol (SNMP) 
or Common Management Information Protocol (MIP). The value of a MIB object can be changed or 
retrieved using SNMP or CMIP commands, usually through a graphical user interface (GUI) network 
management system. MIB objects are organized in a tree structure that includes public (standard) and 
private (proprietary) branches.

PIM—An IP multicast routing protocol used for routing multicast data packets to multicast groups. PIM 
is unicast routing protocol-independent and can operate in different modes such as sparse mode and 
dense mode.

Protocol Independent Multicast—See PIM.

Simple Network Management Protocol—See SNMP.

SNMP—Simple Network Management Protocol. An application-layer protocol that provides a message 
format for communication between SNMP managers and agents.

trap—Message sent by an SNMP agent to a network management system, console, or terminal to 
indicate the occurrence of a significant event, such as a specifically defined condition or a threshold that 
was reached.