Cisco ACI SDN Topology

This section provides information on specific classes, attributes, relationships, and events related to topology objects created to represent Cisco ACI.
Cisco ACI version 4.1 is supported.
Following Logical entities are created on the top of existing physical fabric:
Class
Key Attributes
Key relationship
Problem and Event
ControlCluster
IsAnyComponentDown
IsClusterDown
IsEveryComponentDown
NumberOfComponent
NumberOfFaultyComponents
ComposedOf
Manages
ProvidesClientServiceTo
AllComponentsDown
AtRisk
Down
ReducedRedundancy
ControllerNode
Status
IsControllerDown
HostedBy
PartOf
Down
Tenant
NumberOfEPGs
ClientServiceProvidedBy
Owns
None
BridgeDomain
Name
Associates
None
EndPointGroup
Name
AssociatedWith
ComposedOf
OwnedBy
Uses
None
Contracts
Name
UsedBy
None
Refer
IP Domain Manager User Guide
for existing physical fabric.
The table
Support of Cisco ACI Components in IP
describes the components which are discovered as a part of Cisco ACI
Support of Cisco ACI Components in IP
ClassName
Component Name
Discovery
Monitoring
Comments
AggregatePort
Aggregate Port / Port Channel
YES
YES
Only AdminStatus are monitored..
BridgeDomain
Bridge Domain
YES
NO
BridgeDomains which are not associated to any EPG are not discovered.
Cable
Cable
YES
YES
Card
Line Card, Supervisory Card
YES
YES
Chassis
Chassis
YES
YES
Contract
Contract
YES
YES
Contracts which are not associated to any EPG are not discovered.
ControlCluster
APIC Cluster
YES
NO
Events are raised based on ControllerNode monitoring.
ControllerNode
APIC
YES
YES
EndPointGroup
End Point Group (EPG)
YES
NO
Fan
Fabric Switch Fan
YES
YES
Interface
APIC interfaces
YES
YES
IP
IP Address
YES
NO
IPNetwork
IP Subnetwork
YES
NO
MAC
MAC Address
YES
NO
Created only for a network Connection, but not associated to a Port.
Memory
Fabric Switch Memory
YES
YES
Only Free Memory monitored.
Partition
Partition
YES
NO
Port
Fabric Switch Port
YES
YES
Port utilization, error, and discard rate are monitored along with fault monitoring.
PowerSupply
Fabric Switch Power supply
YES
YES
Processor
Fabric Switch Processor
YES
NO
Cisco does not expose APIs to monitor Processor usage.
Switch
Fabric Switch (Leaf and Spine)
YES
YES
TemperatureSensor
Fabric Switch Temperature Sensor
YES
YES
Tenant
Cisco ACI Tenant
YES
NO
Tenants which are not associated to any EPG are not discovered.
TrunkCable
Connection between Leaf to Spine,
Leaf to Ext Switch, Spine to Ext Switch
YES
YES
vAggregatePort
Virtual Port Channel
YES
NO
VLAN
VLAN
YES
NO
Kafka_Service
object is created to support fail-over as a part of discovery, for internal purposes. The fields,
DiscoveryTopic
and
Monitoring Topic
are empty and must not be populated as they have no effect on either discovery or monitoring of Cisco ACI fabric.