ZYWALL USG 20

user123456
user123456 Posts: 3
First Comment Friend Collector
in Security
Hi, our usg 20 is rebooting every 15-20mins with the error ctipd.bin is dead. I have updated the firmware to latest 330BDQ9ITS-WK48-r74988 and checked that content filtering is turned off. But issue still persists. I am experiencing this on both usg 20 routers that we have. Are there any other things we can do? 

All Replies

  • PeterUK
    PeterUK Posts: 3,647  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary

    It might be a WAN attack as the USG20 is old no longer gets fixes.


  • user123456
    user123456 Posts: 3
    First Comment Friend Collector
    PeterUK said:

    It might be a WAN attack as the USG20 is old no longer gets fixes.


    hi peter thanks for responding. any suggestions on how i can resolve the issue? 
  • jonatan
    jonatan Posts: 192  Master Member
    5 Answers First Comment Friend Collector Seventh Anniversary

    Hi, check if Antispam is disabled.


  • user123456
    user123456 Posts: 3
    First Comment Friend Collector
    jonatan said:

    Hi, check if Antispam is disabled.


    hi it is disabled as well.. thanks for responding!
  • mMontana
    mMontana Posts: 1,421  Guru Member
    50 Answers 1000 Comments Friend Collector Fifth Anniversary
    Unplug the WAN interface. Then ping for 25 minutes the device, waiting for any downtime.

    If this happens, might be an issue of the power adapter. Consider that to 12v 2A might work any other power adapter.

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,411  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
    Does this ZyWALL USG 20 still have Anti-Spam license? Could you give me the serial number and MAC address of this device in private message? Thanks! 

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