arp -s 10.10.10.5 -i eth0.404 -H ether 00:11:22:33:44:55
If you are looking at a console that reads "fbsubnet l hot" and you need to resolve it, follow this step-by-step guide: fbsubnet l hot
Below is a conceptual guide on how you might implement this in a Linux environment or via a custom orchestration script. arp -s 10