Table 2: Configure Spine Switch 1 and Spine Switch 2 for Optimized Layer 2 Multicast for IPv4, with Ingress Replication Configuring Optimized Layer 2 Overlay Multicast Example 1: Configuring Optimized Layer 2 Overlay Multicast for IPv4 with Ingress Replication Spine Switch 1 Spine Switch 2 Configuring Optimized Layer 2 Overlay Multicast 16