USG FLEX 100 and Apple FaceTime Video

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  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,511  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments

    Hi @infosecwest ,

    Just conduct a lab test on FLEX100W. I can make / receive FaceTime Video connections in FLEX100W. What is your wifi router mode? Router mode(NAT) or Bridge mode ?



  • infosecwest
    infosecwest Posts: 13  Freshman Member
    First Comment

    problem also occurs on LAN only connections within the same network. Only common factor is the firewall

  • infosecwest
    infosecwest Posts: 13  Freshman Member
    First Comment
    edited February 2023

    It happens with both phones and mac computers but one of them is 192.168.5.220.

    I have tried calling from outside the network using an iPhone to both a Macbook as well as another iPhone

    Also tried from iPhone (on LAN) to iPhone (also on LAN) - this fails.

    Also tried from iPhone (on LAN) to Macbook (also on LAN) - also fails.

    I have ruled out local WLAN issues by calling to Macbook connected via LAN also.

  • smb_corp_user
    smb_corp_user Posts: 168  Master Member
    5 Answers First Comment Friend Collector Second Anniversary

    Hmm, difficult issue you have got there. Have you tried deactivating the firewall on LAN-to-LAN conncections (or shortly disabling the firewall altogether) to see if that allows any traffic between the Apple devices? Just trying to think through your issue and all I can think of is trying to find a way to eliminate possible sources of obstacles.

  • infosecwest
    infosecwest Posts: 13  Freshman Member
    First Comment

    Awaiting zyxel support who are doing some diagnostics with a copy of the config

  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,511  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments

    Hi @infosecwest ,

    Could you please help us to confirm what is the I phone IP address when it is connected to AP?

    We would like to check if the phone is in bridge subnet or not.

  • infosecwest
    infosecwest Posts: 13  Freshman Member
    First Comment

    one of the phones is 192.168.5.220, however it does not seem to matter as others allocated by DHCP in the network (192.168.4.0/255.255.254.0) have the same issue

  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,511  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments

    Hi @infosecwest ,

    Per taked, It seems the issue was solved.

    kindly share some hints for community user.😁

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