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Wireless clients cannot communicate if connected to different APs

eclipse79

Hello

I have some APs connected to my SG230. The Wi-Fi network is configured as "Bridge to AP lan". It happens a strange behaviour:

- If client A and client B are connected to the same access point, they can communicate each other, they are pingable.

- If client A and client B are connected to different access points, they cannot communicate, they are no ping visible.

- If client C is connected to wired connection, it can ping both client A and client B.

The issue is not dependent on AP model...

any ideas?

Thanks!



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  • 0

    Can you post screenshots of your Wireless Protection setup?

    Is each client connecting to the same SSID? Do you have a guest network and internal network set up or is it all just one single connection?

    Are these even Sophos APs, or third-party ones?

    OPNSense 64-bit | Intel Xeon 4-core v3 1225 3.20Ghz
    16GB Memory | 500GB SSD HDD | ATT Fiber 1GB
    (Former Sophos UTM Veteran, Former XG Rookie)

  • 0 in reply to Amodin

    hello,

    they are connected to the same SSID, these are the settings:

    Client Traffic: Bridge to AP LAN

    Frequency band: 2.4 and 5 GHz

    Client isolation: Disabled

    Hide SSID NO

    U-APSD: Disabled

    Fast Transition: Disabled

    MAC Filtering type: None

    Thanks

  • 0 in reply to eclipse79

    Ciao,

    I bet if you look in the firewall log, you will see blocks.  Try a rule like 'Internal (Network) -> Any -> Internal (Network) : Allow'.  Fortunato?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • 0 in reply to BAlfson

    Hi Bob!

    No, sfortunato Slight smile

    I see no packets dropped in firewall log. Why do you think the issue could be caused by a rule? Client A and Clent be are connected to the same WiFi network, their IP addresses don't change when they are connected to different AP...

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  • 0 in reply to BAlfson

    Hi Bob!

    No, sfortunato Slight smile

    I see no packets dropped in firewall log. Why do you think the issue could be caused by a rule? Client A and Clent be are connected to the same WiFi network, their IP addresses don't change when they are connected to different AP...

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  • 0 in reply to eclipse79

    It was a guess, but if there are no dropped packets, then, you're right, a firewall rule wouldn't be a workaround.

    What about the wireless and IPS logs?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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