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Introduction
1-4
Industrial Ethernet OSM/ESM Network Management
C79000-G8976-C137-08
100 Mbps
100 Mbps
. . .
RM
100 Mbps
10Mbps
Access by the
management station
to the switch module
via SNMP.
Network
management station
with management software
(e.g. PC with CP 1613 or
MOBIC)
Figure 1-2 Communication Between a Management Station and Switch
1.1.3 Management for Industrial Networks
MIB
The MIB is a data structure made up of different variables (management objects)
that can be polled or set by the management system. The variables used for
polling are described in a language independent of the target system.
Thanks to the standardized MIBs and access mechanisms used by all
manufacturers, it is possible to monitor and control a network with components
from a wide range of vendors. Device views allow the management objects to be
displayed graphically in the management system. If there is no device view
available for the component, the objects are represented row-oriented using an
MIB browser.
If additional data is required for network monitoring, this can be defined in private
MIBs by the vendors. This allows values to be polled that are not included in the
standard.
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