A wireless network device and its method for searching mobile intelligent terminals
A technology of wireless network equipment and mobile intelligent terminal, which is applied in the monitoring field of AP active sniffing of STA, can solve the problems of big data information interference, network and hard disk consumption, waste of network traffic, etc., achieve a strong degree of intelligence and improve the recognition rate , good detection effect
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no. 1 example
[0061] Such as figure 1 As shown in the schematic flow chart of the first embodiment of the present invention, as figure 2 In the environment shown in the schematic diagram of the usage situation of the first embodiment of the present invention:
[0062] A method for a wireless network device (AP) to search for a mobile smart terminal (STA), the method steps comprising:
[0063] S200: The wireless network device (AP) obtains a data frame at the entrance (at A) of the beacon (wireless data) frame, and identifies the MAC addresses of all other wireless network devices within the coverage of the wireless network device, updating the MAC addresses of the other wireless network devices in the (AP) first hash table (table A) of the wireless network device;
[0064] S300: The wireless network device (AP) acquires data frames at the entrance (B) of all wireless data packets, and screens out the MAC addresses of all the mobile smart terminals within the coverage of the wireless netw...
no. 2 example
[0090] The inventive point of this embodiment is to grab data frame in two places, the first, grab data frame at the entrance (A place) of beacon (wireless data) frame, save data in a hash table of kernel ( Table A); Second, capture at the entrance (B) of all wireless data packets, and store the captured data frames in another hash table (Table B), the first and second places The hash value algorithm before storing in the hash table must be the same, which is very important, because after the data frame is captured at B, the hash value corresponding to the mac is calculated before being stored in the hash table at B, and then stored in the A table Use hash to find out whether there is the mac. If not, it means that it is not the mac address of the surrounding wireless router, and then check whether the mac is in the B hash table. The mac in table B is the mac address of the wireless terminal STA, of course, you can also obtain the rssi information of the wireless terminal STA ...
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