Patent ID: 9634805
Date: 2017-04-25
CPC Classifications: H04L

Claim:
1. A packet transmission method, adapted for a wireless distribution system (WDS), wherein the wireless distribution system comprises a wireless local area network access controller (AC), a first wireless access point (AP) and a second wireless access point, and the AC communicates with the first wireless access point through an Ethernet, and the first wireless access point communicates with the second wireless access point through a wireless connection, the packet transmission method comprising: determining whether a packet of the AC or the second wireless access point belongs to a Control and Provisioning of Wireless Access Point (CAPWAP) packet; adding a tag into a packet descriptor corresponding to the packet when the packet belongs to the CAPWAP packet, wherein the tag is not included in the packet and configured for identifying whether the packet is the CAPWAP packet; transmitting the packet from the first wireless access point to the second wireless access point, or transmitting the packet from the second wireless access point to the first wireless access point; determining whether the operation of transmitting the packet has an error; determining whether the packet descriptor has the tag when the operation of transmitting the packet has the error; adding the packet into a queue when the operation of transmitting the packet has the error and the packet descriptor has the tag; and generating a transmission error event without adding the packet into the queue when the operation of transmitting the packet has the error and the packet descriptor does not have the tag.