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This chapter outlines views and how objects are arranged within those views, and contains the following sections:
The main view which C7kM provides and the one which integrators should use for querying etc. is the component managed view (ComponentManaged). This view is visible to the user and represents the C7kM objects relationships. This view may differ from the containments in the Physical view and should be used in preference to the Physical view where C7KM objects are concerned.
The following figure displays a typical containment model:
The figure above shows how the containment would be structured using the base classes for illustration purposes. In an actual deployment, the classes of the objects would be those that inherit from the ones shown in the figure above. The typical containment will be a container object representing the user defined topology for sites, bays etc. The site object (if implemented) will have a chassis derived object underneath. this object will be the one against which the chassis services are available. Underneath the chassis object will be module derived objects which may be to multiple levels to represent modules within modules. These are the objects which have the module related services available. Sub-modules are of the same class as 'normal' modules. The only difference being that sub-modules have a valid value (not -1) for CiscoInventoryItem-MIB.SubSlotNumber. Underneath module objects in the containment hierarchy are where the interface derived objects will be found. These are the objects that provide the interface services.
The Layer 3 QoS view contains the following objects within C7kM:
This view allows the user to create and configure Access Lists or CAR. The following figure displays the containment for the Layer3QoS objects.
This view contains all network devices within their relevant subnets. The auto-discovery system of Cisco EMF uses this view to calculate which devices have already been added to the system, so that it does not try to discover the same device multiple times. The following figure displays the containment for the Network view.
Objects in the Physical view are ordered according to their relative physical location. The relationships defined in this view are physical containment relationships, meaning that each object is defined according to which object it is contained within. For example: a chassis is contained under a site, line cards, and supporting modules are contained within a chassis. The following figure displays the containment for the Physical view.
Posted: Thu Oct 2 12:29:20 PDT 2003
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