Unit installation

Installation and Operation Manual Appendix B SNMP Management
FCD-E1 SNMP Environment B-3
To provide the flexibility necessary in a global structure, MIBs are classified in
various classes (branches), one of them being the experimental branch, and
another the group of private (enterprise-specific) branch. Under the private
enterprise-specific branch of MIBs, each enterprise (manufacturer) can be assigned
a number, which is its enterprise number. The assigned number designates the top
of an enterprise-specific sub-tree of non-standard MIB'. Within this context, RAD
has been assigned the enterprise number 164. Therefore, enterprise MIBs
published by RAD can be found under 1.3.6.1.4.1.164.
MIBs of general interest are published by the IAB in the form of a Request for
Comment (RFC) document. In addition, MIBs are also often assigned informal
names that reflect their primary purpose. Enterprise-specific MIBs are published
and distributed by their originator, which is responsible for their contents.
MIBs Supported by the FCD-E1 SNMP Agent
The interpretation of the relevant MIBs is a function of the SNMP agent of each
managed entity. The general MIBs supported by the FCD-E1 SNMP agent are as
follows:
• RFC 1158 (standard MIB-II).
• RFC 1406 (standard E1/E1 MIB).
In addition, the FCD-E1 SNMP agent supports the RAD-private (enterprise-
specific) MIB identified as (read the following as a continuous string):
iso(1).org(3).dod(6).internet(1).private(4).enterprises(1).
rad(164).radGen(6).systems(1).radSysWAN(3).radFcdE1(30).
Enterprise-specific MIBs supported by RAD equipment, including those for the
FCD-E1, are available in ASN.1 format from the RAD Technical Support
Department.
Management Domains Under SNMP
SNMP enables, in principle, each management station that knows the MIB's
supported by a device to perform all the management operations available on that
device. However, this is not desirable in practical situations, so it is necessary to
provide a means to delimit management domains.
SNMP Communities
To enable the delimitation of management domains, SNMP uses “communities”.
Each community is identified by a name, which is an alphanumeric string of up to
255 characters defined by the user.
Any SNMP entity (this term includes both managed entities and management
stations) is assigned by its user a community name. In parallel, the user defines for
each SNMP entity a list of the communities which are authorized to communicate
with it, and the access rights associated with each community (this is the SNMP
community name table of the entity).