| 摘要 |
<p>A method, apparatus and computer program product for providingVirtual Routing and Forwarding (VRF) and gateway Media Access Controller (MAC) distribution is presented. A Layer 3 (L3) controller is provided in a network. The L3 controller resolves Address Resolution Protocol (ARP) messages for a host on a subnet associated with a Layer 2 Virtual Switching Network (L2VSN) when it tries to route a packet to a host. The L3 controller distributes information relating to the ARP messages to a distributed data path. When the host moves from a first access point to a second access point, it sends out a gratuitous ARP message, and the L3 controller updates an ARP record associated with the host and pushesthe updated information to the distributed datapath.</p> |
