Cisco 300-620 Exam With Confidence Using Practice Dumps

When traffic is received from a Layer 3 Out (L3Out) on the ingress leaf switch in a Cisco ACI fabric, the source IP address of the traffic is learned as a remote endpoint. This is because the traffic is entering the ACI fabric from an external network, and the source IP is considered remote to the fabric.

To redirect HTTP traffic between the EPG client and EPG server through the Cisco ASA firewall using a service graph in Cisco ACI, a precise filter must be configured to allow only HTTP traffic. This filter will specify the protocol (HTTP) and the Layer 4 port (typically port 80 for HTTP) to ensure that only HTTP traffic is redirected to the firewall for inspection or processing. The service graph can then be associated with the relevant EPGs to enforce the redirection1.

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Service Graph Design with Cisco ACI (Updated to Cisco APIC Release 5.2) White Paper

When a bridge domain is configured with the hardware-proxy option for Layer 2 unknown unicast traffic, if the spine switch is unable to find the MAC address in the proxy database, it will drop the Layer 2 unknown unicast packet4. This behavior is controlled by the hardware proxy option associated with a bridge domain4.