Table 8: Configure Spine Switch 1 and Spine Switch 2 for Optimized Layer 2 Overlay Multicast for IPv4 and IPv6 with Underlay Multicast Replication Configuring Optimized Layer 2 Overlay Multicast Example 4: Configuring Optimized Layer 2 Overlay Multicast for IPv4 and IPv6 with Underlay Multicast Replication Spine Switch 1 Spine Switch 2 Configuring Optimized Layer 2 Overlay Multicast 76