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Problem AP55 with XG Firewall

Antonio Rouqueiro

Hello guys

I have an XG firewall with AP55 drives, I'm having a problem, and this happens on target clients.
When I want to connect a device to the Wi-Fi network, where the AP55 units have both 2.4 and 5 GHz frequencies enabled, every time I connect a new equipment, this will delay the connection and will not finish successfully with a new device. already connects but is without internet access, trying again is ok, once it is connected from then on, there are no more problems, I did tests with only one of the active frequencies, with 2.4 GHz the behavior was identical when reported with the two frequencies, with 5 GHz there already been ligavm correctly. will be firmware problem for this new plataform since in the UTM SG they worked perfectly

Can you help?

thank you



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  • 0

    Hello Antonio,

    Could you please share the logs from your firewall?

    Run the command on your firewall in advance shell via option 5 and choose 3 and paste the output in a notepad. Command cat wc_remote.log awed.log | grep <Macaddress of one test machine>

  • 0 in reply to Aditya Patel

    Hello Aditya Patel
    Attach file with search result for requested logs

    Best regards

    4341.Cat_log_wc_remote_awed.txt

  • 0 in reply to Antonio Rouqueiro

    Hello Antonio,

    I have checked the logs and seen that the host has been jumping from one AP to another. Could you let us know how many of these AP are configured for the same SSID? Are these device stationary or not?

    My concern with the last few logs on JAN 30th was connection from one AP to another. Let us know if that is the case here.

     

  • 0 in reply to Aditya Patel

    In this case where the test is done on my infrastructure, there are 2 APs, and they are even relatively close to each other, the APs are configured with the same SSID as they were configured on the other UTM SG platform and they did not have any problems. As for the device this is fixed it was through my laptop that I performed the tests, but it happens with both mobile devices and fixed devices.
    After some research on the problem, I saw some reports of problems with these APs and I ended up changing the value of TX power 2.4 to 75% and leaving the value of TX power 5 GHz with the default value 100%, I do not know if this will help I do not have now how to do another test because I do not have equipment that has never connected to the wifi network for the first time.
    The same scenario happens with our client but this one has 5 APs distributed over two floors, the test was carried out with mobile and fixed equipment the symptoms are identical, the firewall XG is in version 17.5 according to mine, I did not change the standard values ​​regarding the frequencies of the APs because I want to be sure that this change will not imply the malfunction of the wifi network, only happens the first time the device tries to connect, after some insistence calls even without access to the internet and then it is OK, it does not have problems, even if this equipment moves and connects to another AP.

    best regards

  • 0 in reply to Antonio Rouqueiro

    Hi Antonio,

    The architecture is different for UTM and SFOS and so is the working. As for this issue, adjusting the Tx would be a valid option as your machines will decide to based on the transmission power received on their antenna.

    While conducting these adjustments, it is best to generate a heatmap of your environment and you may use WIFI scanner application on your phone and check the transmission power for your users. Also, change the channel to minimize the noise and that would improve the SNR i.e. signal to noise ratio.

    I  would recommend to use the different channel on each floor and reduce the Tx power. It would be trouble if the user connects to the AP which is located on the floor above. 

  • 0 in reply to Aditya Patel

    Hello Aditya Patel
    I thank you for your attention to this matter.
    I will make these adjustments and check for improvements to the wi-fi connections.
    the APs have the automatic configuration of channels, if necessary I will fix in different channels.
    I will give you information when the next time I go to the client.

    Thank you very much