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Snmp overview – HP 1.10GB Virtual Connect Ethernet Module for c-Class BladeSystem User Manual

Page 42

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Domain management 42

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SNMP overview

SNMP is used by network management systems to monitor network-attached devices for conditions that

require administrative attention. SNMP consists of a set of standards for network management, including an

Application Layer protocol, a database schema, and a set of data objects.
The SNMP configuration is controlled by the Virtual Connect Manager and applies to all modules in the VC
domain. The SNMP agent software residing on a primary module provides access to managed information

using SNMP protocol. The managed information is presented as a hierarchical database called MIB. Each

element of the managed information is identified by a unique identifier called Object ID. Basic SNMP

support is provided for both the VC-Enet module and the VC-FC module.
Each VC module has an independent SNMP agent that supports a set of MIBs. MIB support for each module

depends both on the type of module (VC-Enet or VC-FC) and the role of the module in the VC domain. A

VC-Enet module can be active, standby, or subordinate based on its ability to run the VC Manager. By

default, the SNMP agent is enabled on VC-Enet modules with a read community string of "public."
The following restrictions and limitations apply:

Users must have Administrative privileges to configure SNMP capabilities.

The VCM GUI and CLI do not support configuration of threshold trap parameters (high-water mark,
low-water mark, and averaging period).