Forwarding broadcast traffic to a host environment

摘要

A network interface controller (NIC) determines link layer broadcast traffic of interest to the host environment. The NIC receives link layer broadcast traffic intended for the host environment, including traffic of interest and unwanted traffic. The NIC discards the unwanted traffic and forwards the traffic of interest to the host environment.

主权项

1. A method performed by a network interface controller (NIC) on a host device connected to a network via the NIC, the method comprising:
receiving broadcast traffic responses, at the NIC, from a host environment in the host device, indicating broadcast traffic of interest to the host environment, wherein the broadcast responses include responses from the host environment to broadcasts from computing devices connected to the network requesting network addresses from other computing devices connected to the network; receiving, at the NIC, broadcast traffic intended for the host environment, including traffic of interest and unwanted traffic; discarding, at the NIC, the unwanted broadcast traffic in view of the responses; and forwarding, from the NIC, the broadcast traffic of interest to the host environment in view of the responses.