1. How Network Management Systems
Work
● Management console program.
● Role of SNMP.
● The Management information Base.
● The Bridge/router.

2. Management console program
●The downloaded MIB data into useful
information in the form of system diagrams,
graphs,and reports. The console programs
compare the statistics to preset standards
and, if necessary ,issue alerts and reports on
unusual conditions.

3. Role of SNMP
● A management program
uses massages
conforming to the Simple
Network Management
Protocol (SNMP) to poll
the agent program
funning in various
network devices. When
the agents reply, the
SNMP console program
aggregates the
information and presents
it graphically.

4. The Management Information Base
● MIB data use
SNMP-based
management program

5. The Bridge/Router.
Equipment that relays
data that flows on
network to other
networks.

6. Reference
● Wikipedia
http://ja.wikipedia.org/wiki/%E3%83%A1%E3%82%A
● Google image
http://images.google.co.jp/imghp?hl=ja&tab=wi
● How Networks Work