Specifications

SNMP Support on Enterasys Devices
March 28, 2011 Page 6 of 27
engine ID A value used by both the SNMPv3 sender and receiver to propagate inform
notifications.
group A collection of SNMP users who share the same access privileges.
inform A notification message sent by an SNMPv3 agent to a network management station,
a console, or a terminal to indicate the occurrence of a significant event, such as
when a port or device goes up or down, when there are authentication failures, and
when power supply errors occur.
MIB Management Information Base, a repository for information about device parameters
and network data organized in a tree structure.
notify profile Associates target parameters to an SNMP notify filter to determine who should not
receive SNMP notifications. This is useful for fine-tuning the amount of SNMP traffic
generated.
OID Object Identifier, a unique ID distinguishing each variable in the MIB and is the
means by which the SNMP manager and agent specify which managed elements
are changed.
security level The permitted level of security within a security model. The three levels of SNMP
security are:
• no authentication required (NoAuthNoPriv)
• authentication required (AuthNoPriv)
• privacy (authPriv)
security model An authentication strategy that is set up for an SNMP user and the group in which
the user resides. A combination of a security model and a security level determines
which security mechanism is employed when handling an SNMP frame.
storage type Specifies whether an SNMP user entry will be stored in volatile or nonvolatile
memory.
taglist A list of SNMP notify values that link a target (managment station IP) address to
specific SNMP notifications.
target address A unique identifier and a specific IP address that will receive SNMP notification
messages.
target parameter Controls where and under what circumstances SNMP notifications will be sent. This
entry can be bound to a target IP address allowed to receive SNMP notification
messages.
trap A notification message sent by an SNMPv1 or v2c agent to a network management
station, a console, or a terminal to indicate the occurrence of a significant event,
such as when a port or device goes up or down, when there are authentication
failures, and when power supply errors occur.
user A person registered in SNMPv3 to access management information. In v1 and v2c, a
user is set with the community name string.
USM User-Based Security Model, the SNMPv3 authenticatiion model which relies on a
user name match for access to network management components.
VACM View-based Access Control Model, which determines remote access to SNMP
managed objects, allowing subsets of management information to be organized into
user views.
Table 2 SNMP Terms and Definitions (continued)
Term Definition