I want to share a painful problem.

There are Zyxel Keenetic Ultra and ZyXEL Keenetic Giga II routers that worked fabulously for more than a year until they hit 2015.And then, like in a fairy tale, Wi-Fi problems started: the connection began to intermittently.This can be several times a day, practically immediately after turning on the router or after 6 hours of operation, there is no exact periodical.If there was a connection, then the pings to the router gradually become higher than 2000 ms and then completely die and the connection hangs active, but in fact it’s dead.Interestingly, it’s a few minutes can come to life.But, usually, there aren’t enough nerves a reboot and I'm just stupid off-switching router.Iznachalno problem appeared to Giga II home wired internetom.Potom a couple of weeks on the job, which was connected to an Ultra Yota.

If at the time of a glitch you connect to the router via Ethernet, then the Internet works wonderfully on it.

I tried to change the routers in places - the problem persists regardless of the Internet source.

Firmware everywhere is the latest.

Tried to disable DHCP, change channel numbers.

I didn’t just try to disable the public visibility of SSID and filtering by mac-addresses(but since I tried to install routers in different places, this is hardly the case, although it’s purely symptomatic that the router starts to bend at some point over Wi-Fi).

Logs do not show anything terrible.Here is a screenshot for you:

I want to note that the moment the glitch with the connection starts begins at 9:22 and at that moment there are no red errors.Although I don’t know what the error means, which is visible 14 minutes earlier at 9:08 in the screenshot.

In general, people, can anyone come across or are ready to advise something constructive(except for “throw this Zyxel out of you”).It's just strange that the problem appeared after 1 year of use and immediately on three similar devices.
  • Mystic9 change the frequency on the router – Catholic79 Apr 9 '15 at 10:38
  • Catholic79: There are two channels on Keenetic Ultra - 2.4 and 5 GHz.The problem is, what frequency do not connect.Or do you mean to change the"Country"? – Mystic9 Apr 9 '15 at 10:48
  • Mystic9 zyxel.ru/kb/1871 – Catholic79 Apr 9 '15 at 10:50
  • Catholic79: you inattentively read the question, I tried to change the channels.And for 5 GHz I generally had no more routers.I check through inSSIDer – Mystic9 Apr 9 '15 at 10:54
  • Mystic9 there may still be problems due to the firmware of the router, you can try updating the factory to the latest stable version or installing an alternative one. – Catholic79 Apr 9 '15 at 11:08
  • There are no alternative ones for them.The firmware was different at the time of the glitch among the devices – Mystic9 Apr 9 '15 at 11:21
  • Tell me, poppy address 54: ae: 27: 58: 87: 20 of your device or not? – Grumpy18 Apr 9 '15 at 17:11
  • The same problem with Keneetic first.Everything worked fine too.After a year - no ping, sometimes it just falls off by timeout.Everything is fine on the cable. – Haunted78 Apr 9 '15 at 22:52

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