The destination IP address for the vPC keepalive packets sent by the switch is 192.168.254.1. This is indicated in the packet capture output, where ICMP Echo (ping) requests are being sent to this address as part of the keepalive mechanism to ensure the vPC peer link is operational. References := For more detailed information on vPC keepalive configuration and troubleshooting, the Cisco Data Center Core Technologies study materials and official Cisco documentation should be consulted. These resources provide comprehensive guidance on managing and maintaining vPC connections.