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119 lines
4.6 KiB
Plaintext
119 lines
4.6 KiB
Plaintext
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HCNUM-TC DEFINITIONS ::= BEGIN
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IMPORTS
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MODULE-IDENTITY, mib-2, Counter64
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FROM SNMPv2-SMI
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TEXTUAL-CONVENTION
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FROM SNMPv2-TC;
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hcnumTC MODULE-IDENTITY
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LAST-UPDATED "200006080000Z"
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ORGANIZATION "IETF OPS Area"
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CONTACT-INFO
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" E-mail: mibs@ops.ietf.org
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Subscribe: majordomo@psg.com
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with msg body: subscribe mibs
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Andy Bierman
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Cisco Systems Inc.
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170 West Tasman Drive
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San Jose, CA 95134 USA
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+1 408-527-3711
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abierman@cisco.com
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Keith McCloghrie
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Cisco Systems Inc.
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170 West Tasman Drive
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San Jose, CA 95134 USA
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+1 408-526-5260
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kzm@cisco.com
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Randy Presuhn
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BMC Software, Inc.
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Office 1-3141
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2141 North First Street
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San Jose, California 95131 USA
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+1 408 546-1006
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rpresuhn@bmc.com"
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DESCRIPTION
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"A MIB module containing textual conventions
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for high capacity data types. This module
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addresses an immediate need for data types not directly
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supported in the SMIv2. This short-term solution
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is meant to be deprecated as a long-term solution
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is deployed."
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REVISION "200006080000Z"
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DESCRIPTION
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"Initial Version of the High Capacity Numbers
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MIB module, published as RFC 2856."
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::= { mib-2 78 }
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CounterBasedGauge64 ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"The CounterBasedGauge64 type represents a non-negative
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integer, which may increase or decrease, but shall never
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exceed a maximum value, nor fall below a minimum value. The
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maximum value can not be greater than 2^64-1
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(18446744073709551615 decimal), and the minimum value can
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not be smaller than 0. The value of a CounterBasedGauge64
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has its maximum value whenever the information being modeled
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is greater than or equal to its maximum value, and has its
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minimum value whenever the information being modeled is
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smaller than or equal to its minimum value. If the
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information being modeled subsequently decreases below
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(increases above) the maximum (minimum) value, the
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CounterBasedGauge64 also decreases (increases).
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Note that this TC is not strictly supported in SMIv2,
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because the 'always increasing' and 'counter wrap' semantics
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associated with the Counter64 base type are not preserved.
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It is possible that management applications which rely
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solely upon the (Counter64) ASN.1 tag to determine object
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semantics will mistakenly operate upon objects of this type
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as they would for Counter64 objects.
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This textual convention represents a limited and short-term
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solution, and may be deprecated as a long term solution is
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defined and deployed to replace it."
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SYNTAX Counter64
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ZeroBasedCounter64 ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"This TC describes an object which counts events with the
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following semantics: objects of this type will be set to
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zero(0) on creation and will thereafter count appropriate
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events, wrapping back to zero(0) when the value 2^64 is
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reached.
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Provided that an application discovers the new object within
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the minimum time to wrap it can use the initial value as a
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delta since it last polled the table of which this object is
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part. It is important for a management station to be aware
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of this minimum time and the actual time between polls, and
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to discard data if the actual time is too long or there is
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no defined minimum time.
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Typically this TC is used in tables where the INDEX space is
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constantly changing and/or the TimeFilter mechanism is in
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use.
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Note that this textual convention does not retain all the
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semantics of the Counter64 base type. Specifically, a
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Counter64 has an arbitrary initial value, but objects
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defined with this TC are required to start at the value
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zero. This behavior is not likely to have any adverse
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effects on management applications which are expecting
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Counter64 semantics.
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This textual convention represents a limited and short-term
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solution, and may be deprecated as a long term solution is
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defined and deployed to replace it."
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SYNTAX Counter64
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END
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