Cisco ACI + SDWAN + DNA Integration Amazing !! (Multidomain Architecture)

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Cisco ACI release 4.1(1i) adds support for WAN SLA policies. This feature enables tenant admins to apply preconfigured policies to specify the levels of packet loss, jitter, and latency for the tenant traffic over the WAN. When you apply a WAN SLA policy to the tenant traffic, the Cisco APIC sends the preconfigured policies to a vManage controller. The vManage controller, which is configured as an external device manager that provides Cisco Software-Defined Wide Area Network (SDWAN) capability, chooses the best possible WAN link that meets the loss, jitter, and latency parameters specified in the SLA policy. 

You apply the WAN SLA policies to the tenant traffic though contracts. Before applying the WAN SLA policies, you must first establish a connection between the vManage controller and the Cisco APIC. 

Cisco APIC release 4.2(1) adds support for enabling returning traffic from a remote site that is destined for the ACI data center to receive differentiated services over the WAN. After the tenant admin registers the Cisco APIC to vManage, the Cisco APIC pulls the WAN-SLA policies and the WAN-VPN from vManage. Then, the Cisco APIC assigns DSCP to each WAN-SLA policy and pushes a prefix list. The prefix list, which is taken from the EPG if the contract between this EPG and L3Out has WAN-SLA configured, enables quality of service on the returning traffic. The WAN-SLA policy and WAN-VPN are both available in the tenant common. Tenant admins map the WAN-VPNs to VRFs on remote sites.  

 Branch and Data Center Service Resiliency

 

Kindly  Refer the Link below for more info :

For more information, see the Policies Configuration Guide: https://www.cisco.com/c/en/us/support/routers/sd-wan/tsd-products-support-series-home.html

Integrate Cisco XE SD-WAN Router with Cisco ACI chapter of the Policies Configuration Guide: https://www.cisco.com/c/en/us/support/routers/sd-wan/tsd-products-support-series-home.html.  

 SD-WAN Router with Cisco ACI chapter of the Policies Configuration Guide: https://www.cisco.com/c/en/us/support/routers/sd-wan/tsd-products-support-series-home.html. 

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