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Cisco Unified Communications Manager Managed Services Guide, Release 8.0(1)
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Chapter 8 Industry-Standard Management Information Base
IF-MIB
This textual convention is an extension of the InterfaceIndex convention. The latter defines a greater
than zero value used to identify an interface or interface sub-layer in the managed system. This
extension permits the additional value of zero. The value zero is object-specific and must therefore
be defined as part of the description of any object which uses this syntax. Examples of the usage of
zero might include situations where interface was unknown, or when none or all interfaces need to
be referenced.
SYNTAX Integer32 (0..2147483647)
ifNumber OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
The number of network interfaces (regardless of their current state) present on this system.
::= { interfaces 1 }
ifTableLastChange OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
The value of sysUpTime at the time of the last creation or deletion of an entry in the ifTable. If the
number of entries has been unchanged since the last re-initialization of the local network
management subsystem, then this object contains a zero value.
::= {ifMIBObjects 5}
Interfaces Table
The Interfaces table contains information on the entity's interfaces. Each sub-layer below the
internetwork-layer of a network interface is considered to be an interface.
ifTable OBJECT-TYPE
SYNTAX Sequence of IfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
A list of interface entries. The number of entries is given by the value of ifNumber.
::= {interfaces 2}
ifEntry OBJECT-TYPE
SYNTAX IfEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
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