Network management standards OSI CMIP SNMP:Simple Network Common Management Protocol Management Internet roots (SGMP) Information Protocol started simple designed 1980's: deployed,adopted the unifying net rapidly management growth:size,complexity standard currently:SNMP V3 *too slowly standardized de facto network management standard Network Management 9-6
Network Management 9-6 Network management standards OSI CMIP Common Management Information Protocol designed 1980’s: the unifying net management standard too slowly standardized SNMP: Simple Network Management Protocol Internet roots (SGMP) started simple deployed, adopted rapidly growth: size, complexity currently: SNMP V3 de facto network management standard
Chapter 9 outline What is network management? Internet-standard management framework Structure of Management Information:SMI Management Information Base:MIB SNMP Protocol Operations and Transport Mappings Security and Administration ASN.1 Network Management 9-7
Network Management 9-7 What is network management? Internet-standard management framework Structure of Management Information: SMI Management Information Base: MIB SNMP Protocol Operations and Transport Mappings Security and Administration ASN.1 Chapter 9 outline
SNMP overview:4 key parts Management information base(MIB): distributed information store of network management data Structure of Management Information(SMI): data definition language for MIB objects SNMP protocol convey manager<->managed object info,commands security,administration capabilities major addition in SNMPv3 Network Management 9-8
Network Management 9-8 SNMP overview: 4 key parts Management information base (MIB): distributed information store of network management data Structure of Management Information (SMI): data definition language for MIB objects SNMP protocol convey manager<->managed object info, commands security, administration capabilities major addition in SNMPv3
SMI:data definition language Purpose:syntax, Basic Data Types semantics of INTEGER management data well- Integer32 defined,unambiguous Unsigned32 base data types: OCTET STRING straightforward,boring OBJECT IDENTIFIED IPaddress OBJECT-TYPE Counter32 data type,status, Counter64 semantics of managed Guage32 object Time Ticks MODULE-IDENTITY Opaque groups related objects Network Management 9-9 into mlb module
Network Management 9-9 SMI: data definition language Purpose: syntax, semantics of management data welldefined, unambiguous base data types: straightforward, boring OBJECT-TYPE data type, status, semantics of managed object MODULE-IDENTITY groups related objects into MIB module Basic Data Types INTEGER Integer32 Unsigned32 OCTET STRING OBJECT IDENTIFIED IPaddress Counter32 Counter64 Guage32 Time Ticks Opaque