Deco M5 latency to modem/router spikes.
I am experiencing issues with a new Deco setup at home.
I have 3 Deco M5s which have drastically improved the connectivity in my home.
The only issue that I cannot seem to fix (using existing TP-Link support threads) is that the latency coming off of the Decos when communicating to the main router is not consistent and frequently (every 10s or so) will drop connection entirely for a brief moment. It will be fine at 20-25ms and then I can watch the pings and see it steadily climb to 5000ms before going offline and then starting back at 20ms.
It's not noticeable usually when doing general things like surfing or watching a buffered video, but voice calls and video games are nearly un-usable.
Things I have attempted which either don't fix the issue, or stop the Deco from working at all:
- disable DHCP on the ISP's provided modem/router
- switch the deco between router and AP mode.
- reset the deco network and start from scratch
I am not able to bridge the modem/router from the ISP because it disables other services which are controlled by the device (IE: Moca, Tivo)
I have also been testing pings directly wired to and on the wireless provided by the ISP device and everything is fine there.
I attempted to troubleshoot with the ISP but they aren't willing provide assistance when using a third party device.
I can provide any futher information required.
Thank you,
Dave
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@Daveomania
Yours is really horrible compared to mine.
Simultaneous run:
192.168.1.1 = ISP CPE
192.168.0.1 = Deco M9 Plus
Back to back connected.
I don't remember the whole post but did you also completely excluded the wireless part?
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Same issue with the E4
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@jwb I noticed that sometimes I don't have this problem, but it seems totally random. I tried changing everything, even modding my modem/router. I also noticed that if Deco is connected, the built in wi-fi of my router struggles too.
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Your isp modem/router wifi i would turn off. No reason to have it on unless there is a good reason. :P
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@Radeondutch I have the exact same issue with my M5 and I only bought this last. Video conferencing even when sitting 2 ft from the deco device stalls and takes a while to get back. Only when I'm wired in do I have no issues. It's as though the deco M5 wifi cuts in and out... Any solutions yet?
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@Radeondutch My father's phone is not fully compatible with the Deco, so I had to turn on the built-in wi-fi.
It makes no difference, the problem persist.
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It doesn't appear as though TP-Link support has been following this issue for a while.
I'm not sure there will ever be a solution.
I have tried wired as well which seems to be fine, but I bought this mesh system for WiFi.
I think I will just have to give up and buy a system from a different manufacturer. It's a shame because in the past I haven't had issues with other TP-Link hardware.
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@jwb How I managed to get my Deco M5 network fast and stable.
I read the posts in this forum and was suffering the same issue. To figure out how bad the issue was I setup a permanent ping from my laptop (ping x.x.x.x -t) to the deco m5 I was connected to (192.168.68.31), the main deco unit (192.168.68.1), the interface of my Sky broadband router (192.168.0.1) and an address on the internet (used Google DNS - 8.8.8.8).
I was getting ping times to the Deco units of minimum of 10ms and every ten packets or so it would spike to over 100ms. At busy times I was getting ping times on the Deco units of several hundred milliseconds. So I started trying to fix it:
1. First I disabled the antivirus and security software in the deco app. (I was running the Deco units in router mode.) It did not make any noticeable difference.
2. Next I connected the main Deco to the second Deco with an ethernet cable using the backhaul facility. (The third unit I left connected via the wireless connection.) I could see some improvement in the ping times.
3. Next I downgraded the firmward to version 1.4.2 from this thread by logging in via a web browser (192.168.68.1) and going to advanced, system then updgrade. This did not seem to make a lot of difference.
4. After that I changed my Deco units from router to Access point mode which seemed to make a big difference but the ping times were still choppy with a spike to over 100ms every ten to twenty packets.
4. Next I changed the settings on my Sky broadband router and disabled IP v6 on the internal LAN which seemed to make a big difference too. It stopped the spike in peak times every 20-30ms.
5. I also disabled the Sky wifi broadcast (did not seem to make any difference).
6. Next I went and upgraded the firware to the latest version 1.4.4 from the app on my phone and this made a big difference too with speed plus reliability is excellent and the ping times came down to a reliable 2/3ms.
Result: I now have ping times to the Deco units of 2 or 3 ms with the occassional packet of 20-30ms. Not very often there will be a packet of more than 100ms but it is not very often - I would say that 95-99% of the of the packets are 2 or 3 ms response times. My network now runs a LOT faster with web browsing, etc. video conference is stable and good quality and the network is reliable. Hope that helps!
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I will try disabling IPv6 as you have stated.
Where did you find 1.4.4 firmware? I've been looking around for it and don't see anything official for a download.
I also run in AP mode now hoping it would stop any NAT conflicts between my router and the m5s.
If you can point me to 1.4.4 I will report back after attempting your steps.
Thanks.
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