Wireless Packet Header Capturing

Procedure

1. Choose Diagnosis > Wireless Packet Header Capturing. The Wireless Packet Header Capturing page is displayed.
2. Set global parameters.
   1. In Global Settings, set parameters related to the Wireless Packet Header Capturing function. For description of the parameters, see Table 1.
   2. Click Apply. In the Info dialog box that is displayed, click OK.

      Table 1 Global parameters

      Parameter	Description
      Maximum data packet length	Maximum length of packets to be obtained through the Wireless Packet Header Capturing function. After you enable the Wireless Packet Header Capturing function on an AP radio, the AP starts collecting packet headers. The AP collects only data packets with lengths smaller than the configured maximum length.
      Saving mode	Mode used to save the obtained packets. Two modes are available: Save locally: The obtained packets are saved locally. Send in real time: The obtained packets are forwarded to the server in real time.
      Destination IP address	IP address of the server in real-time transmission mode.
      Maximum size of storage file	Maximum size of the storage file when the obtained packets are saved locally.
      Upload mode	Mode used to upload the local file to the server when the obtained packets are saved locally.
      Server IP address	IP address of the Server.
      User name	User name of the Server.
      Password	Password of the Server.

3. Configure the rule for filtering packets.

   • Creating a filtering rule profile

     1. In Filter Rule Profile Management, click Create.

     2. Set the parameters on the Create Filter Rule page that is displayed. For description of the parameters, see Table 2.

     3. Click OK.

        Table 2 Parameters for creating a filtering rule profile

        Parameter	Description
        Profile name	Name of the filtering rule profile. After the Wireless Packet Header Capturing function starts, the AP filters packets based on filtering rules contained in the filtering rule profile and collects only packets that match the rules.
        Filtering protocol	Protocol type of packets to be obtained through the Wireless Packet Header Capturing function. Beacon: The device collects only Beacon packets. Probe: The device collects only Probe packets. EAP: The device collects only EAP packets. DHCP: The device collects only DHCP packets. Other-mgnt: The device collects 802.11 management packets except the Beacon and Probe packets. Data: The device collects only data packets.
        Rule ID	ID of the filtering rule.
        Source MAC address	Specifies the source MAC address of packets to be obtained.
        Destination MAC address	Specifies the destination MAC address of packets to be obtained.
        BSSID	Specifies the BSSID of packets to be obtained.

   • Modifying a filtering rule profile

     1. In the list of filtering rule profiles, click the filtering rule profile to modify.
     2. Modify the parameters on the Modify Filter Rule page that is displayed. For description of the parameters, see Table 2. (The Profile name parameter cannot be modified.)
     3. Click OK.

   • Deleting a filtering rule profile

     In the list of filtering rule profiles, choose the filtering rule profile to delete and click Delete. In the Confirm dialog box that is displayed, click OK.

4. Enable the Wireless Packet Header Capturing function.
   1. Click Add.
   2. In the Wireless Packet Header Capturing dialog box that is displayed, set AP name, Radio ID, Filter rule profile, and Channel, then click OK.