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

Table of Contents

Executive Summary ...................................................................................................................................................................................................................3

Document Scope ........................................................................................................................................................................................................................3

Audience ...........................................................................................................................................................................................................................................3

Business Challenge .....................................................................................................................................................................................................................3

Business Solution .........................................................................................................................................................................................................................4

Solution Architecture ................................................................................................................................................................................................................ 5

Cisco Application Policy Infrastructure Controller (APIC) ............................................................................................................................6

Cisco Nexus 9000 Series Switches ............................................................................................................................................................................. 7

A10 Networks Thunder ADC .........................................................................................................................................................................................8

A10 Harmony Architecture, Programmability and SDN Integration ....................................................................................................8

Cisco ACI Fabric with A10 Thunder ADC Devices ............................................................................................................................................8

A10 Thunder ADC Integration with Cisco ACI ........................................................................................................................................................... 9

ACI Design with A10 Thunder ADC ...............................................................................................................................................................................10

L4-L7 Service Graph Instances ......................................................................................................................................................................................... 12

Adding L4-L7 Devices to the APIC .................................................................................................................................................................................16

Verifying L4-L7 Service Graph Conﬁguration ..........................................................................................................................................................18

Reference Architecture Components .......................................................................................................................................................................... 21

Summary ...................................................................................................................................................................................................................................... 21

About A10 Networks .............................................................................................................................................................................................................21

List of Figures

Figure 1: Cisco ACI and A10 Thunder ADC ..................................................................................................................................................................4

Figure 2: Cisco ACI architecture .......................................................................................................................................................................................... 5

Figure 3: L4-L7 service graph ...............................................................................................................................................................................................6

Figure 4: Cisco APIC showing A10 device package ..............................................................................................................................................7

Figure 5: Leaf and spine architecture using Nexus 9000 Series Switches (source: Cisco) ..............................................................7

Figure 6: Cisco ACI architecture with A10 Thunder ADC appliances ..........................................................................................................9

Figure 7: Cisco ACI integration – A10 device package .........................................................................................................................................9

Figure 8: ACI design with A10 Thunder ADC ...........................................................................................................................................................10

Figure 9: Two-tier application network proﬁle ....................................................................................................................................................... 10

Figure 10: Application proﬁle “webx” with four EPGs ......................................................................................................................................... 11

Figure 11: Service graph creation example ..............................................................................................................................................................12

Figure 12: APIC rendering service graph to deploy application proﬁle ................................................................................................13

Figure 13: Service graph instance example ............................................................................................................................................................. 13

Figure 14: Service graph showing L4-L7 function node conﬁguration ................................................................................................14

Figure 15: Associating service graph with a security contract ..................................................................................................................... 15

Figure 16: APIC GUI showing Deployed Service Graph Instances ............................................................................................................. 15

Figure 17: L4-L7 device selection policy ...................................................................................................................................................................16

Figure 18: Adding L4-L7 device to tenant ...............................................................................................................................................................17

Figure 19: L4-L7 device status in APIC GUI .............................................................................................................................................................. 17

Figure 20: Creating a logical device context ...........................................................................................................................................................18

Figure 21: APIC GUI deployed graph conﬁguration information ...............................................................................................................18

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