Network Management standards OSI CMIP SNMP: Simple Network D Common management Management Protocol Information Protocol o Internet roots SGMP) o designed 1980s: the o started simple unifying net O deployed, adopted rapidly management standard o growth: size, complexity o too slowly standardized O currently: SNMP V3 d de facto network management standard Network Management 8-6
Network Management 8-6 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 8 outline g What is network management? g Internet-standard management framework o Structure of management Information SMI o Management Information Base: MIB O SNMP Protocol Operations and Transport Mappings o Security and Administration 冂ASN.1 Network Management 8-7
Network Management 8-7 Chapter 8 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
SNMP overview: 4 key parts o Management information base(MIB) o distributed information store of network management data o Structure of Management Information(SMr) o data definition language for mib objects D SNMP protocol o convey manager<->managed object into, commands o security, administration capabilities o major addition in SNMPv3 Network Management 8-8
Network Management 8-8 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, semantics of Basic Data Types management data well defined unambiguous INTEGER 口 base data types: nteger32 Unsigned32 straightforward, boring OCTET STRING OBJECT-TyPE OBJECT IDENTIFIED o data type, status, IPaddress semantics of managed Counter 32 ob ject Counter64 O MODULE-IDENTITy Guage32 Time Ticks o groups related objects into miB module opaque Network Management 8-9
Network Management 8-9 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