Notes02 - TELENET 2121: Network Management STANDARDS, SMI,...

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1 TELENET 2121: Network Management STANDARDS, SMI, MIB CONCEPTS Joseph Kabara, Ph.D Asst. Prof. Graduate Program in Telecommunications and Networking University of Pittsburgh 2 Notes #2 TELENET 2121: Network Management Introduction to Management Protocols •H is to ry • ASN.1 format •M IBS – RFC 1213 – RFC 1493 • The SNMP Protocol 3 Notes #2 TELENET 2121: Network Management The History of Network Management Protocols • Each network device manufacture installed proprietary methods for data
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2 4 Notes #2 TELENET 2121: Network Management The History of Network Management Protocols • Internet Control Message Protocol (ICMP) – ping (Packet InterNet Groper) – traceroute • ICMP is of a component of the IP suite • Quick but unreliable method for checking network connectivity –Why? 5 Notes #2 TELENET 2121: Network Management The History of Network Management Protocols Around 1988 developments of several network manager protocols was underway These efforts where conducted by the Internet Activities Board (IAB) High-level Entity Management System (HEMS) Simple Gateway Monitoring Protocol (SGMP) Common Management Information Protocol (CMIP) RFC 1052 states the conclusions of the IAB about the future of each of these protocols As a short-term solution, the IAB recommended the immediate implementation of SNMP For the long term, the IAB recommended that the Internet community explore CMIP as a basis for a network management protocol to satisfy future requirements CMIP is non protocol specific – CMOT is CMIP over TCP/IP 6 Notes #2 TELENET 2121: Network Management The History of Network Management Protocols • Simple Network Management Protocol – Based on SGMP – To be used over IP networks
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3 7 Notes #2 TELENET 2121: Network Management The Network Management Model (1/2) • The Manager – The manager is the console(s) through which the network manager performs the management functions. •HP Openv iew • Cabletron Spectrum 8 Notes #2 TELENET 2121: Network Management The Network Management Model (2/2) • The Agent – Agents are the entities that interface with the devices being managed. • Switches •Rou te rs • Manager and Agent Communications
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Notes02 - TELENET 2121: Network Management STANDARDS, SMI,...

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