Cisco ONS 15454 Reference Manual page 535

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Chapter 16
SNMP
Figure 16-2
Management
An agent (such as SNMP) residing on each managed device translates local management information
data, such as performance information or event and error information caught in software traps, into a
readable form for the management system.
transport data to the network management software.
Figure 16-3
NMS
SNMP Manager
The SNMP agent captures data from MIBs, which are device parameter and network data repositories,
or from error or change traps.
A managed element—such as a router, access server, switch, bridge, hub, computer host, or network
element (such as an ONS 15454)—is accessed through the SNMP agent. Managed devices collect and
store management information, making it available through SNMP to other management systems having
the same protocol compatibility.
OL-9217-01
Example of the Primary SNMP Components
Management
NMS
Agent
Management
Database
Managed Devices
Agent Gathering Data from a MIB and Sending Traps to the Manager
get, get-next, get-bulk
get-response, traps
Entity
Agent
Management
Database
Figure 16-3
illustrates SNMP agent get-requests that
Network device
MIB
SNMP Agent
Cisco ONS 15454 Reference Manual, R7.0.1
16.2 16.2 Basic SNMP Components
Agent
Database
16-3

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