| 摘要 |
<p>A method for preventing address conflict and an access node are provided. The method includes: when an uplink packet is received, obtaining a medium access control MAC address and a link local address LLA which are of a client and are carried in the packet, where the packet is an IPV6 protocol packet borne over Ethernet; generating a corresponding VMAC address for the MAC address according to a predetermined rule; generating a corresponding VLLA according to the VMAC address, where the VMAC address and the VLLA have one-to-one correspondence, and the generated VMAC address and VLLA are unique in one network under a broadband network gateway BNG; replacing, with the VMAC address and the VLLA, the MAC address and the LLA that are in the packet; and transmitting an uplink packet including the VMAC address and the VLLA. In addition, an access node is also provided.</p> |
