Management Information Base for Version 2 of the Simple Network Management Protocol (MIB for SNMPv2)

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Presentation transcript:

Management Information Base for Version 2 of the Simple Network Management Protocol (MIB for SNMPv2)

1. What is MIB? Management Information Base (MIB) is the set of variables (database) that a router running SNMP maintains. MIB specifies the data items a host or router must keep and the operations allowed on each.

2. What is the relation between MIB and SNMP? SNMP does not specify exactly which data can be accessed. MIB is a separated standard dealing with that. Keeping MIB definition independent of network management protocol (SNMP) has advantages for both vendors and users.

3. What kind of information is in MIB? Categories System interface add.trans ip icmp tcp udp bgp

Examples of MIB variables

4. How are variables in MIB defined? The rules: Structure of Management Information (SMI) The notation: Abstract Syntax Notation 1 (ASN.1) The names: object identifier name space

What does SMI do? Place restriction on the types of variables allowed in MIB; Specify the rules for naming those variables; create rules for defining variable type.

hierarchy

Summary SNMP (Simple Network Management Protocol) MIB (Management Information Base) SMI (Structure of Management Information)

References RFC 1450, 1907 (MIB for SNMPv2) RFC 1441 (Introduction to SNMpv2) RFC 1442, 1902 SMI for SNMPv2 Specification of ASN.1, ISO