How Simple Network
Management Protocol
      Works


・What is SNMP



・Internet Network Management Architecture



・SNMP b...
What is SNMP(Simple Network
   Management Protocol)

Simple Network Management Protocol (SNMP) is a
component of the Inter...
The internet network management
                 architecture
SNMP is part of the Internet network management
architecture...
SNMP basic components
An SNMP-managed network consists of three key
components:
  1.Managed devices

    A managed device ...
Versions of SNMP
SNMP has three versions.
・Version1
  SNMP version 1 is the initial implementation of the
  SNMP protocol....
References

・Wikipedia
  http://en.wikipedia.org/wiki/Simple_Network_Managem
  ent_Protocol


・Internet Architecture
   ht...
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  1. 1. How Simple Network Management Protocol Works ・What is SNMP ・Internet Network Management Architecture ・SNMP basic components ・Versions of SNMP
  2. 2. What is SNMP(Simple Network Management Protocol) Simple Network Management Protocol (SNMP) is a component of the Internet Protocol Suite as defined by the Internet Engineerring Task Force(IETF). SNMP is used in network management systems to monitor network-attached devices for conditions that warrant administrative attention. It consists of a set of standards for network management, including an Application Layer protocol, a database schema, and a set of data objects.
  3. 3. The internet network management architecture SNMP is part of the Internet network management architecture. This architecture is based on the interaction of many entities, as described in the following section. • Agents • Managed object • Management information base (MIB) • Syntax notation • Structure of Management Information (SMI) • Network management stations (NMSs) • Parties • Management protocol
  4. 4. SNMP basic components An SNMP-managed network consists of three key components: 1.Managed devices A managed device is a network node that contains an SNMP agent and that resides on a managed network. 2.Agents An agent is a network-management software module that resides in a managed device. 3.Network-management stations (NMSs) A network management system (NMS) executes applications that monitor and control managed devices.
  5. 5. Versions of SNMP SNMP has three versions. ・Version1 SNMP version 1 is the initial implementation of the SNMP protocol. SNMP version 1 operates over protocols such as User Datagram Protocol, Internet Protocol, OSI Connectionless Network Service, AppleTalk Datagram-Delivery Protocol, and Novell Internet Packet Exchange . ・Version2 SNMP version 2 revises version 1 and includes improvements in the areas of performance, security, confidentiality, and manager-to-manager communications. But, because new party-based security system in version 2 is more complex, SNMP version 2 was not widely accepted. ・Version3 SNMP version 3 provides three important services: authentication, privacy and access control. SNMP version 3 is defined as the current standard version of SNMP by the IETF. So, the IETF considersearlier versions as obsolete or historical.
  6. 6. References ・Wikipedia http://en.wikipedia.org/wiki/Simple_Network_Managem ent_Protocol ・Internet Architecture http://www.soi.wide.ad.jp/class/20030002/slides/03/19.h tml ・Javvin http://www.javvin.com/protocolSNMP.html ・Adventnet http://www.adventnet.com/products/javaagent/java_snm p_agent_ds.html

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