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MIB Descriptions
C-7
7612-A2-GB20-10
November 1997
Interface Stack Group
The Interface Stack Group is used by the unit to show the relationship between a
logical interface and a physical interface. Table C-4 provides clarification for
objects contained in the Interface Stack group when it is not clear how the object
definition in RFC 1573 is supported by the unit.
Table C-4. Interface Stack Group Objects
Object
Description Setting/Contents
ifStackHigher-
Layer
(ifStackEntry1)
Provides the index that
corresponds to the higher
sublevel specified by
ifStackLowerLayer.
When the In-band Management Channel
is enabled, this object for the DDS
network interface is set to the ifIndex of
the In-band Management Channel. All
other ifStackHigherLayer objects will
have a value of zero.
ifStackLower-
Layer
(ifStackEntry2)
Provides the index that
corresponds to the lower
sublevel specified by
ifStackHigherLayer.
When the In-band Management Channel
is enabled, this object for the In-band
Management Channel is set to the
ifIndex of the DDS network interface. All
other ifStackLowerLayer objects will
have a value of zero.
ifStackStatus
(ifStackEntry3)
Specifies the stack group’s
status compared to the
interface’s ifOperStatus.
Supported as a read-only
variable.
H When ifStackStatus set to active –
maps to ifOperStatus set to up(1) or
testing(3).
H When ifStackStatus set to not in
service – maps to ifOperStatus set to
down(2).