Juniper SECURITY THREAT RESPONSE MANAGER 2008.2 - SNMP AGENT GUIDE REV 1 Manual page 61

Snmp agent guide
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Table A-2 SNMP V2 Data Types (continued)
Data Type Name
Description
Unsigned32
Specifies a range including only non-negative integers (0 to 2e31
- 1).
For example:
Unsigned32 - Same as Unsigned32(0..4294967295)
Unsigned32(0..65535) - Corresponds to an unsigned 16 bit int
Unsigned32(0..10 | 50 | 65 | 90..100)
Gauge32
Specifies a non-negative integer that may increase or decrease,
but holds at the maximum or minimum value specified in the
range when the actual value goes over or below the range,
respectively.
Counter32
Specifies a value that represents a count. The range is 0 to
4294967295.
Counter64
Similar to Counter32, except the range is 0 to 2e64 -1. This type
may only be used when a 32-bit counter rollover could occur in
less than an hour. Otherwise, the Counter32 type must be used.
Since this type is not available in SNMPv1, it may only be used
when backwards compatibility is not a requirement.
TimeTicks
Specifies the elapsed time between two events, in units of
hundredth of a second. Range is 0 to 2e32 - 1.
OCTET STRING
Specifies octets of binary or textual information. SMIv1 does not
limit the number of octets. SMIv2 specifies a limit of 65535
octets. A size may be specified that can be fixed, varying, or
multiple ranges.
For example:
OCTET STRING - Length can vary from 0 to 65535 bytes.
OCTET STRING (SIZE(0..255))
OCTET STRING (SIZE(4)) - Fixed length of 4 bytes.
OCTET STRING (SIZE(0 | 4 | 6)) - Varying with 0, 4, or 6 bytes
OBJECT
Specifies a type that has an assigned object identifier value.
IDENTIFIER
IpAddress
Specifies an IPv4 address as a string of 4 octets.
Opaque
Specifies octets of binary information. SMIv2 specifies a limit of
65535 octets while there is no limit in SMIv1. A size may be
specified that can be fixed, varying, or multiple ranges. A value of
this type must be an encapsulation of ASN.1 BER encoded
value.
For example:
Opaque - length can vary from 0 to 65535 bytes.
Opaque (SIZE(0..255))
Opaque (SIZE(4)) - fixed length of 4 bytes.
Opaque (SIZE(0 | 4 | 6)) - varying with 0, 4, or 6 bytes
STRM SNMP Agent
What Are MIB Groups?
59

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