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

Figure 4: Cisco APIC showing A10 device package

Cisco Nexus 9000 Series Switches

Cisco Nexus 9000 Series Switches are the latest generation switches from Cisco available in ﬁxed and modular

1/10/40 Gigabit Ethernet conﬁguration. The Nexus 9000 switches can operate in two modes:

1. Traditional mode when running the Cisco NX-OS software and can be managed as a standalone switch

2. ACI mode when running the Cisco ACI version of software and will be policy managed through a

centralized APIC

In this design, the Nexus 9000 switches in ACI mode are connected in a leaf and spine architecture as shown

in Figure 5. In this two-tier architecture, the Nexus 9300 switches are deployed as the leaf switches with 10GbE

ports available for attaching endpoints, which could be servers, storage, APIC, security and application service

devices such as A10 Thunder ADC and other non ACI switches and routers. The Nexus 9500 switches are

deployed as spine switches with 40GbE ports that operate as ACI fabric ports and are used to provide fabric

connectivity to the leaf switches. Both the leaf and spine switches can be controlled and managed through

Cisco APIC. The physical A10 Thunder ADC devices can be connected to any leaf switch as physical connectivity

doesn’t really matter in the ACI architecture. The A10 Networks vThunder® ADC line of virtual devices can be

running inside a hypervisor on any physical server that is attached to the leaf switch as well.

Cisco Nexus 9300 Platform Leaf

Cisco Nexus 9500 Platform Spine

ACI ACI ACI ACI

ACI ACI

ACIACIACIACI

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

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ADC SG-1 Manual do Utilizador Página 7