SNMP
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... MIB objects are generally
accessed through the Simple Network Management Protocol (SNMP).
Objects in the MIB are defined using the mechanisms defined in the
...
... RFC3416] may be
carried over a variety of protocol suites. It is the purpose of this
document to define how the SNMP maps onto an initial set of transport
domains. At the time of this writing, work was in progress to define
an IPv6 ...
... SYNTAX OCTET STRING (SIZE (6))
-- SNMP over OSI
snmpCLNSDomain OBJECT-IDENTITY ...
... STATUS current
DESCRIPTION
"The SNMP over CLNS transport domain.
The corresponding transport address ...
... STATUS current
DESCRIPTION
"The SNMP over CONS transport domain.
The corresponding transport address ...
...
It is suggested that administrators configure their SNMP entities
supporting command responder applications to listen on UDP port ...
... responder applications to listen on UDP port 161.
Further, it is suggested that SNMP entities supporting notification
receiver ...
... SNMP over OSI ...
...
It is suggested that administrators configure their SNMP entities
supporting command responder applications to listen on transport ...
... using a CL-mode network service to realize the CLTS. Further, it is
suggested that SNMP entities supporting notification receiver
...
... receivers, respectively.
When an SNMP entity uses this transport mapping, it must be capable
...
... SNMP messages are sent using DDP protocol type 8. SNMP entities
supporting command responder applications listen on DDP ...
...
Administrators must configure their SNMP entities supporting command
responder applications to use NBP type "SNMP Agent ...
... SNMP entities supporting command
responder applications to use NBP type "SNMP Agent" (which consists
of ten ASCII characters) while those supporting notification ...
... notification receiver
applications must be configured to use NBP type "SNMP Trap Handler"
(which consists of seventeen ASCII characters).
...
... ASCII characters).
The NBP name for SNMP entities supporting command responders and
notification ...
... suggested that the NBP name be stored in some form of stable storage.
When an SNMP entity uses this transport mapping, it must be capable
...
... AppleTalk's naming strategy and the dynamic nature of
address assignment can cause problems for SNMP entities that wish to
manage AppleTalk networks ...
... reboot (or more frequently).
Thus, when SNMP is mapped over DDP, nodes are identified by a "name",
...
... SNMP entity, it
is suggested that the SNMP identity be a name which is associated
with other network services ...
... table inconsistencies) which would not prevent direct AppleTalk
communications between two SNMP entities.
Thus, it is recommended that NBP lookups ...
... cache of name-to-address mappings. These
cached mappings should then be used for any further SNMP traffic. It
is recommended that SNMP ...
... SNMP traffic. It
is recommended that SNMP entities supporting command generator
applications should maintain this cache between reboots. This
...
...
An SNMP entity supporting command generator applications may have a
pre-configured list of names of "known" SNMP ...
... SNMP entity supporting command generator applications may have a
pre-configured list of names of "known" SNMP entities supporting
command responder applications. Similarly, an SNMP ...
... SNMP entities supporting
command responder applications. Similarly, an SNMP entity supporting
command generator or notification ...
... notification receiver applications might
interact with an operator. Finally, an SNMP entity supporting
command generator or notification ...
... notification receiver applications might
communicate with all SNMP entities supporting command responder or
notification ...
... entity uses a cache entry to address an SNMP packet, it
should attempt to confirm the validity mapping, if the mapping hasn't
...
... be configurable.
An SNMP entity supporting a command generator application may decide
to prime its cache ...
... to prime its cache of names prior to actually communicating with
another SNMP entity. In general, it is expected that such an entity
...
... routers) may be deemed "more important".
Note that an SNMP entity supporting command generator applications
should not prime its entire cache ...
... notification originator applications should do NBP lookups (or
confirms) only when it needs to send an SNMP trap or inform.
...
... DDP address mapping can also be confirmed implicitly
using only SNMP transactions. For example, an SNMP entity ...
... using only SNMP transactions. For example, an SNMP entity supporting
command generator applications issuing a retrieval operation could
...
...
Under some circumstances, there may be connectivity between two SNMP
entities, but the NBP mapping machinery may be broken, e.g.,
...
... node.
An SNMP entity supporting command generator applications which is
dedicated to AppleTalk ...
... entity could send an NBP FwdReq
to the network in which the SNMP entity supporting the command
responder ...
...
It is suggested that administrators configure their SNMP entities
supporting command responder applications to listen on IPX ...
... socket 36880 (9010 hexadecimal).
When an SNMP entity uses this transport mapping, it must be capable
...
... transport domain,
rfc1157Domain, which indicates the transport mapping for SNMP
messages as defined in [RFC1157].
...
...
It is then a customer/user responsibility to ensure that the SNMP
entity giving access to a MIB ...
... View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)", STD 62, RFC 3415std62, December 2002. ...
... Presuhn, R., Case, J., McCloghrie, K., Rose, M. and S. Waldbusser, "Version 2 of the Protocol Operations for the Simple Network Management Protocol (SNMP)", STD 62, RFC 3416std62, December 2002. ...