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Reference Architecture | Dynamic L4-L7 Service Insertion with Cisco ACI and A10 Thunder ADC

ACI

ACI ACI ACI ACI

ACI

ACIACIACI

APIC

Application Network Proﬁle

Service

Chain

SLBWeb Application

L4–L7 (Physical)

Appliances

Figure 12: APIC rendering service graph to deploy application prole

Figure 13 shows a service graph template with an A10 Thunder ADC device between the consumer EPG and

provider EPG. The web EPG is the consumer EPG in this case, and the application EPG is the provider EPG. The A10

Thunder ADC device provides server load balancing or application delivery controller services in this context.

Figure 13: Service graph instance example

Cisco APIC conﬁgures the A10 Thunder ADC device once the service graph is applied to the security contract

and also conﬁgures the data forwarding path. The A10 device to which the APIC pushes the conﬁguration is

selected through the L4-L7 device selection policy.

The service graph template shown in Figure 12 can be conﬁgured on the APIC in multiple ways as mentioned

earlier in this document. The preferred method of conﬁguring service graphs on the APIC is through XML

payloads sent to the APIC using REST API calls.

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ADC SG-1 Bedienungsanleitung Seite 13