In my firewall I did not enabled the ipv6 to any port. But still firewall releasing the ipv6 IP address to the devices like Mobiles and IPV6 enabled systems. I am unable to trace where it is releasing and why. Could you please any one help in this regard. 

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[edited by: emmosophos at 8:36 PM (GMT -8) on 8 Feb 2021]
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  • you don't have any IPv6 rules or tunnels in place?

    If it s coming through port 4 more than likely some one has installed a IP4 to IPv6 tunnel.


    V18.0.x - e3-1225v5 6gb ram on 4 port MB with AP55c -20w. 
    2 AP55s and 2 APX120s having a holiday until software update is released.
    If a post solves your question use the 'This helped me' link.
  • No, There is no rules and tunnels. I verified all maximum scenarios. Everywhere it is configured as port 4. Under the Port 4, IPv6 is not enabled and even not configured too. Can you please suggest any alternative solutions to trace this. The main issue is unnecessarily network traffic occurring for IPv6. Due to of this process network is getting very slow sometimes. I would like to avoid or block this IPv6. But it is not showing anywhere as configure.

    Thanks n Regards,